diff --git a/jest.config.js b/jest.config.js
index 141b70a4c..51aefb26e 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -11,6 +11,9 @@ module.exports = createConfig('jest', {
   ],
   moduleNameMapper: {
     '^lodash-es$': 'lodash',
+    // This alias is for any code in the src directory that wants to avoid '../../' style relative imports:
+    '^@src/(.*)$': '<rootDir>/src/$1',
+    // This alias is used for plugins in the plugins/ folder only.
     '^CourseAuthoring/(.*)$': '<rootDir>/src/$1',
   },
   modulePathIgnorePatterns: [
diff --git a/src/editors/EditorContainer.test.jsx b/src/editors/EditorContainer.test.jsx
deleted file mode 100644
index a50718eb9..000000000
--- a/src/editors/EditorContainer.test.jsx
+++ /dev/null
@@ -1,46 +0,0 @@
-// @ts-check
-import React from 'react';
-import { shallow } from '@edx/react-unit-test-utils';
-import EditorContainer from './EditorContainer';
-import { mockWaffleFlags } from '../data/apiHooks.mock';
-
-mockWaffleFlags();
-
-const mockPathname = '/editor/';
-jest.mock('react-router-dom', () => ({
-  ...jest.requireActual('react-router-dom'), // use actual for all non-hook parts
-  useParams: () => ({
-    blockId: 'company-id1',
-    blockType: 'html',
-  }),
-  useLocation: () => ({
-    pathname: mockPathname,
-  }),
-  useSearchParams: () => [{
-    get: () => 'lb:Axim:TEST:html:571fe018-f3ce-45c9-8f53-5dafcb422fdd',
-  }],
-}));
-
-jest.mock('@edx/frontend-platform/i18n', () => ({
-  ...jest.requireActual('@edx/frontend-platform/i18n'),
-  useIntl: () => ({
-    formatMessage: (message) => message.defaultMessage,
-  }),
-}));
-
-jest.mock('react-redux', () => ({
-  ...jest.requireActual('react-redux'),
-  useSelector: () => ({
-    useReactMarkdownEditor: true, // or false depending on the test
-  }),
-}));
-
-const props = { learningContextId: 'cOuRsEId' };
-
-describe('Editor Container', () => {
-  describe('snapshots', () => {
-    test('rendering correctly with expected Input', () => {
-      expect(shallow(<EditorContainer {...props} />).snapshot).toMatchSnapshot();
-    });
-  });
-});
diff --git a/src/editors/EditorContainer.test.tsx b/src/editors/EditorContainer.test.tsx
new file mode 100644
index 000000000..d4d6d8371
--- /dev/null
+++ b/src/editors/EditorContainer.test.tsx
@@ -0,0 +1,94 @@
+import React from 'react';
+import { getConfig } from '@edx/frontend-platform';
+import {
+  render, screen, initializeMocks, fireEvent, act,
+} from '@src/testUtils';
+import EditorContainer from './EditorContainer';
+import { mockWaffleFlags } from '../data/apiHooks.mock';
+import editorCmsApi from './data/services/cms/api';
+
+mockWaffleFlags();
+
+const mockPathname = '/editor/';
+jest.mock('react-router-dom', () => ({
+  ...jest.requireActual('react-router-dom'),
+  useParams: () => ({
+    blockId: 'block-v1:Org+TS100+24+type@fake+block@123456fake',
+    blockType: 'fake',
+  }),
+  useLocation: () => ({
+    pathname: mockPathname,
+  }),
+  useSearchParams: () => [{
+    get: () => 'lb:Axim:TEST:html:571fe018-f3ce-45c9-8f53-5dafcb422fdd',
+  }],
+}));
+
+jest.mock('react-redux', () => ({
+  ...jest.requireActual('react-redux'),
+  useSelector: () => ({
+    useReactMarkdownEditor: true, // or false depending on the test
+  }),
+}));
+
+// Mock this plugins component:
+jest.mock('frontend-components-tinymce-advanced-plugins', () => ({ a11ycheckerCss: '' }));
+// Always mock out the "fetch course images" endpoint:
+jest.spyOn(editorCmsApi, 'fetchCourseImages').mockImplementation(async () => ( // eslint-disable-next-line
+  { data: { assets: [], start: 0, end: 0, page: 0, pageSize: 50, totalCount: 0 } }
+));
+// Mock out the 'get ancestors' API:
+jest.spyOn(editorCmsApi, 'fetchByUnitId').mockImplementation(async () => ({
+  status: 200,
+  data: {
+    ancestors: [{
+      id: 'block-v1:Org+TS100+24+type@vertical+block@parent',
+      display_name: 'You-Knit? The Test Unit',
+      category: 'vertical',
+      has_children: true,
+    }],
+  },
+}));
+jest.mock('../library-authoring/LibraryBlock', () => ({
+  LibraryBlock: jest.fn(() => (<div>Advanced Editor Iframe</div>)),
+}));
+
+const props = { learningContextId: 'cOuRsEId' };
+
+describe('EditorContainer', () => {
+  beforeEach(() => {
+    initializeMocks();
+    jest.spyOn(editorCmsApi, 'fetchBlockById').mockImplementationOnce(async () => (
+      {
+        status: 200,
+        data: {
+          display_name: 'Fake Un-editable Block', category: 'fake', metadata: {}, data: '',
+        },
+      }
+    ));
+  });
+
+  test('render component', () => {
+    render(<EditorContainer {...props} />);
+    expect(screen.getByText('View in Library')).toBeInTheDocument();
+    expect(screen.getByText('Advanced Editor Iframe')).toBeInTheDocument();
+  });
+
+  test('should call onClose param when receiving "cancel-clicked" message', () => {
+    const onCloseMock = jest.fn();
+    render(<EditorContainer {...props} onClose={onCloseMock} />);
+    const messageEvent = new MessageEvent('message', {
+      data: {
+        type: 'xblock-event',
+        eventName: 'cancel',
+      },
+      origin: getConfig().STUDIO_BASE_URL,
+    });
+
+    act(() => {
+      window.dispatchEvent(messageEvent);
+    });
+    fireEvent.click(screen.getByRole('button', { name: 'Discard Changes and Exit' }));
+    expect(onCloseMock).toHaveBeenCalled();
+  });
+});
diff --git a/src/editors/__snapshots__/EditorContainer.test.jsx.snap b/src/editors/__snapshots__/EditorContainer.test.jsx.snap
deleted file mode 100644
index e1654a177..000000000
--- a/src/editors/__snapshots__/EditorContainer.test.jsx.snap
+++ /dev/null
@@ -1,69 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Editor Container snapshots rendering correctly with expected Input 1`] = `
-<div
-  className="editor-page"
->
-  <AlertMessage
-    actions={
-      [
-        <ForwardRef
-          as={
-            {
-              "$$typeof": Symbol(react.forward_ref),
-              "defaultProps": {
-                "as": "a",
-                "className": undefined,
-                "destination": undefined,
-                "externalLinkAlternativeText": undefined,
-                "externalLinkTitle": undefined,
-                "isInline": false,
-                "onClick": undefined,
-                "showLaunchIcon": true,
-                "target": "_self",
-                "variant": "default",
-              },
-              "propTypes": {
-                "as": [Function],
-                "children": [Function],
-                "className": [Function],
-                "destination": [Function],
-                "externalLinkAlternativeText": [Function],
-                "externalLinkTitle": [Function],
-                "isInline": [Function],
-                "onClick": [Function],
-                "showLaunchIcon": [Function],
-                "target": [Function],
-                "variant": [Function],
-              },
-              "render": [Function],
-            }
-          }
-          destination="/library/lib:Axim:TEST/components?usageKey=lb:Axim:TEST:html:571fe018-f3ce-45c9-8f53-5dafcb422fdd"
-          disabled={false}
-          rel="noopener noreferrer"
-          showLaunchIcon={true}
-          target="_blank"
-        >
-          View in Library
-        </ForwardRef>,
-      ]
-    }
-    className="m-3"
-    description="Edits made here will only be reflected in this course. These edits may be overridden later if updates are accepted."
-    icon={[Function]}
-    show={true}
-    title="Editing Content from a Library"
-    variant="warning"
-  />
-  <EditorPage
-    blockId="company-id1"
-    blockType="html"
-    courseId="cOuRsEId"
-    lmsEndpointUrl="http://localhost:18000"
-    onClose={null}
-    returnFunction={null}
-    studioEndpointUrl="http://localhost:18010"
-  />
-</div>
-`;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.jsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.jsx
index 954519542..3bdf406e9 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.jsx
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.jsx
@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { useIntl } from '@edx/frontend-platform/i18n';
 import { Collapsible, Icon, IconButton } from '@openedx/paragon';
 import { ExpandLess, ExpandMore, InfoOutline } from '@openedx/paragon/icons';
 
@@ -20,40 +20,41 @@ const CollapsibleFormWidget = ({
   subtitle,
   title,
   fontSize,
-  // injected
-  intl,
-}) => (
-  <Collapsible.Advanced
-    className="collapsible-card rounded mx-4 my-3 px-4 text-primary-500"
-    defaultOpen
-    open={isError || undefined}
-  >
-    <Collapsible.Trigger
-      className="collapsible-trigger d-flex border-0 align-items-center pt-4 p-0"
-      style={{ justifyContent: 'unset' }}
+}) => {
+  const intl = useIntl();
+  return (
+    <Collapsible.Advanced
+      className="collapsible-card rounded mx-4 my-3 px-4 text-primary-500"
+      defaultOpen
+      open={isError || undefined}
     >
-      <Collapsible.Visible whenClosed className="p-0 pb-3">
-        <div className="d-flex flex-column flex-grow-1">
+      <Collapsible.Trigger
+        className="collapsible-trigger d-flex border-0 align-items-center pt-4 p-0"
+        style={{ justifyContent: 'unset' }}
+      >
+        <Collapsible.Visible whenClosed className="p-0 pb-3">
+          <div className="d-flex flex-column flex-grow-1">
+            <div className="d-flex flex-grow-1 w-75 x-small">{title}</div>
+            {subtitle ? <div className={`${fontSize} mb-4 mt-3`}>{subtitle}</div> : <div className="mb-4" />}
+          </div>
+          <div className="d-flex flex-row align-self-start">
+            {isError && <Icon className="alert-icon" src={InfoOutline} />}
+            <IconButton alt={intl.formatMessage(messages.expandAltText)} src={ExpandMore} iconAs={Icon} variant="dark" />
+          </div>
+        </Collapsible.Visible>
+        <Collapsible.Visible whenOpen>
           <div className="d-flex flex-grow-1 w-75 x-small">{title}</div>
-          {subtitle ? <div className={`${fontSize} mb-4 mt-3`}>{subtitle}</div> : <div className="mb-4" />}
-        </div>
-        <div className="d-flex flex-row align-self-start">
-          {isError && <Icon className="alert-icon" src={InfoOutline} />}
-          <IconButton alt={intl.formatMessage(messages.expandAltText)} src={ExpandMore} iconAs={Icon} variant="dark" />
-        </div>
-      </Collapsible.Visible>
-      <Collapsible.Visible whenOpen>
-        <div className="d-flex flex-grow-1 w-75 x-small">{title}</div>
-        <div className="align-self-start">
-          <IconButton alt={intl.formatMessage(messages.collapseAltText)} src={ExpandLess} iconAs={Icon} variant="dark" />
-        </div>
-      </Collapsible.Visible>
-    </Collapsible.Trigger>
-    <Collapsible.Body className={`collapsible-body rounded px-0 ${fontSize} pb-4`}>
-      {children}
-    </Collapsible.Body>
-  </Collapsible.Advanced>
-);
+          <div className="align-self-start">
+            <IconButton alt={intl.formatMessage(messages.collapseAltText)} src={ExpandLess} iconAs={Icon} variant="dark" />
+          </div>
+        </Collapsible.Visible>
+      </Collapsible.Trigger>
+      <Collapsible.Body className={`collapsible-body rounded px-0 ${fontSize} pb-4`}>
+        {children}
+      </Collapsible.Body>
+    </Collapsible.Advanced>
+  );
+};
 
 CollapsibleFormWidget.defaultProps = {
   subtitle: null,
@@ -66,9 +67,6 @@ CollapsibleFormWidget.propTypes = {
   subtitle: PropTypes.node,
   title: PropTypes.node.isRequired,
   fontSize: PropTypes.string,
-  // injected
-  intl: intlShape.isRequired,
 };
 
-export const CollapsibleFormWidgetInternal = CollapsibleFormWidget; // For testing only
-export default injectIntl(CollapsibleFormWidget);
+export default CollapsibleFormWidget;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.test.jsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.test.jsx
deleted file mode 100644
index 6cbd4d5b4..000000000
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.test.jsx
+++ /dev/null
@@ -1,29 +0,0 @@
-import 'CourseAuthoring/editors/setupEditorTest';
-import React from 'react';
-import { shallow } from '@edx/react-unit-test-utils';
-
-import { formatMessage } from '../../../../../testUtils';
-import { CollapsibleFormWidgetInternal as CollapsibleFormWidget } from './CollapsibleFormWidget';
-
-describe('CollapsibleFormWidget', () => {
-  const props = {
-    isError: false,
-    subtitle: 'SuBTItle',
-    title: 'tiTLE',
-    // inject
-    intl: { formatMessage },
-  };
-  describe('render', () => {
-    const testContent = (<p>Some test string</p>);
-    test('snapshots: renders as expected with default props', () => {
-      expect(
-        shallow(<CollapsibleFormWidget {...props}>{testContent}</CollapsibleFormWidget>).snapshot,
-      ).toMatchSnapshot();
-    });
-    test('snapshots: renders with open={true} when there is error', () => {
-      expect(
-        shallow(<CollapsibleFormWidget {...props} isError>{testContent}</CollapsibleFormWidget>).snapshot,
-      ).toMatchSnapshot();
-    });
-  });
-});
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.test.tsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.test.tsx
new file mode 100644
index 000000000..6e3bcdb44
--- /dev/null
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/CollapsibleFormWidget.test.tsx
@@ -0,0 +1,25 @@
+import React from 'react';
+import {
+  render, screen, initializeMocks,
+} from '@src/testUtils';
+import CollapsibleFormWidget from './CollapsibleFormWidget';
+
+describe('CollapsibleFormWidget', () => {
+  const props = {
+    isError: false,
+    subtitle: 'Sample subtitle',
+    title: 'Sample title',
+    fontSize: 'x-small',
+  };
+  const testContent = (<p>Some test string</p>);
+
+  beforeEach(() => {
+    initializeMocks();
+  });
+
+  test('renders component', () => {
+    render(<CollapsibleFormWidget {...props}>{testContent}</CollapsibleFormWidget>);
+    expect(screen.getByText('Sample title')).toBeInTheDocument();
+    expect(screen.getByText('Some test string')).toBeInTheDocument();
+  });
+});
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/DurationWidget/__snapshots__/index.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/DurationWidget/__snapshots__/index.test.jsx.snap
index 1455c89bd..c45dbf05a 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/DurationWidget/__snapshots__/index.test.jsx.snap
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/DurationWidget/__snapshots__/index.test.jsx.snap
@@ -1,7 +1,7 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`DurationWidget render snapshots: renders as expected with default props 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
   subtitle="Custom: 00:00:00"
   title="Duration"
@@ -60,5 +60,5 @@ exports[`DurationWidget render snapshots: renders as expected with default props
       Total: 00:00:00
     </span>
   </div>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/HandoutWidget/__snapshots__/index.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/HandoutWidget/__snapshots__/index.test.jsx.snap
index 056123b55..129fe2e18 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/HandoutWidget/__snapshots__/index.test.jsx.snap
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/HandoutWidget/__snapshots__/index.test.jsx.snap
@@ -1,7 +1,7 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`HandoutWidget snapshots snapshots: renders as expected with default props 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
   isError={true}
   subtitle="None"
@@ -60,11 +60,11 @@ exports[`HandoutWidget snapshots snapshots: renders as expected with default pro
       />
     </Button>
   </Stack>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
 
 exports[`HandoutWidget snapshots snapshots: renders as expected with handout 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
   isError={true}
   subtitle="sOMeUrl "
@@ -159,7 +159,7 @@ exports[`HandoutWidget snapshots snapshots: renders as expected with handout 1`]
       id="authoring.videoeditor.handout.handoutHelpMessage"
     />
   </Stack>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
 
 exports[`HandoutWidget snapshots snapshots: renders as expected with isLibrary true 1`] = `null`;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.jsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.jsx
index 7e468982b..7e21f5df3 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.jsx
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.jsx
@@ -3,8 +3,7 @@ import { connect, useDispatch } from 'react-redux';
 import PropTypes from 'prop-types';
 import {
   FormattedMessage,
-  injectIntl,
-  intlShape,
+  useIntl,
 } from '@edx/frontend-platform/i18n';
 import {
   ActionRow,
@@ -22,12 +21,11 @@ import { LicenseLevel, LicenseNames, LicenseTypes } from '../../../../../../data
 const LicenseSelector = ({
   license,
   level,
-  // injected
-  intl,
   // redux
   courseLicenseType,
   updateField,
 }) => {
+  const intl = useIntl();
   const { levelDescription } = hooks.determineText({ level });
   const onLicenseChange = hooks.onSelectLicense({ dispatch: useDispatch() });
   const ref = React.useRef();
@@ -74,8 +72,6 @@ const LicenseSelector = ({
 LicenseSelector.propTypes = {
   license: PropTypes.string.isRequired,
   level: PropTypes.string.isRequired,
-  // injected
-  intl: intlShape.isRequired,
   // redux
   courseLicenseType: PropTypes.string.isRequired,
   updateField: PropTypes.func.isRequired,
@@ -90,4 +86,4 @@ export const mapDispatchToProps = (dispatch) => ({
 });
 
 export const LicenseSelectorInternal = LicenseSelector; // For testing only
-export default injectIntl(connect(mapStateToProps, mapDispatchToProps)(LicenseSelector));
+export default connect(mapStateToProps, mapDispatchToProps)(LicenseSelector);
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.test.jsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.test.jsx
deleted file mode 100644
index 2b6ee9a0e..000000000
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.test.jsx
+++ /dev/null
@@ -1,84 +0,0 @@
-import 'CourseAuthoring/editors/setupEditorTest';
-import React from 'react';
-import { shallow } from '@edx/react-unit-test-utils';
-
-import { formatMessage } from '../../../../../../testUtils';
-import { actions, selectors } from '../../../../../../data/redux';
-import { LicenseSelectorInternal as LicenseSelector, mapStateToProps, mapDispatchToProps } from './LicenseSelector';
-
-jest.mock('react', () => {
-  const updateState = jest.fn();
-  return {
-    ...jest.requireActual('react'),
-    updateState,
-    useContext: jest.fn(() => ({ license: ['error.license', jest.fn().mockName('error.setLicense')] })),
-  };
-});
-
-jest.mock('react-redux', () => {
-  const dispatchFn = jest.fn();
-  return {
-    ...jest.requireActual('react-redux'),
-    dispatch: dispatchFn,
-    useDispatch: jest.fn(() => dispatchFn),
-  };
-});
-
-jest.mock('../../../../../../data/redux', () => ({
-  actions: {
-    video: {
-      updateField: jest.fn().mockName('actions.video.updateField'),
-    },
-  },
-  selectors: {
-    video: {
-      courseLicenseType: jest.fn(state => ({ courseLicenseType: state })),
-    },
-  },
-}));
-
-describe('LicenseSelector', () => {
-  const props = {
-    intl: { formatMessage },
-    license: 'all-rights-reserved',
-    level: 'course',
-    courseLicenseType: 'all-rights-reserved',
-    updateField: jest.fn().mockName('args.updateField'),
-  };
-  describe('snapshots', () => {
-    test('snapshots: renders as expected with default props', () => {
-      expect(
-        shallow(<LicenseSelector {...props} />).snapshot,
-      ).toMatchSnapshot();
-    });
-    test('snapshots: renders as expected with library level', () => {
-      expect(
-        shallow(<LicenseSelector {...props} level="library" />).snapshot,
-      ).toMatchSnapshot();
-    });
-    test('snapshots: renders as expected with block level', () => {
-      expect(
-        shallow(<LicenseSelector {...props} level="block" />).snapshot,
-      ).toMatchSnapshot();
-    });
-    test('snapshots: renders as expected with no license', () => {
-      expect(
-        shallow(<LicenseSelector {...props} license="" />).snapshot,
-      ).toMatchSnapshot();
-    });
-  });
-  describe('mapStateToProps', () => {
-    const testState = { A: 'pple', B: 'anana', C: 'ucumber' };
-    test('courseLicenseType from video.courseLicenseType', () => {
-      expect(
-        mapStateToProps(testState).courseLicenseType,
-      ).toEqual(selectors.video.courseLicenseType(testState));
-    });
-  });
-  describe('mapDispatchToProps', () => {
-    const dispatch = jest.fn();
-    test('updateField from actions.video.updateField', () => {
-      expect(mapDispatchToProps.updateField).toEqual(dispatch(actions.video.updateField));
-    });
-  });
-});
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.test.tsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.test.tsx
new file mode 100644
index 000000000..b85057bb3
--- /dev/null
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseSelector.test.tsx
@@ -0,0 +1,86 @@
+import React from 'react';
+import {
+  render, fireEvent, screen, initializeMocks,
+} from '@src/testUtils';
+import { LicenseSelectorInternal } from './LicenseSelector';
+import * as hooks from './hooks';
+
+jest.mock('./hooks', () => ({
+  determineText: jest.fn(() => ({ levelDescription: 'Test level description' })),
+  onSelectLicense: jest.fn(() => jest.fn()),
+}));
+
+const LicenseTypes = {
+  select: 'select',
+  allRightsReserved: 'All Rights Reserved',
+  creativeCommons: 'Creative Commons',
+};
+const LicenseLevel = { course: 'course', video: 'video' };
+
+describe('LicenseSelectorInternal', () => {
+  const updateField = jest.fn();
+  const onLicenseChange = jest.fn();
+  const props = {
+    license: LicenseTypes.select,
+    level: LicenseLevel.video,
+    courseLicenseType: LicenseTypes.select,
+    updateField,
+  };
+
+  beforeEach(() => {
+    initializeMocks();
+    (hooks.onSelectLicense as jest.Mock).mockReturnValue(onLicenseChange);
+    (hooks.determineText as jest.Mock).mockReturnValue({ levelDescription: 'Test level description' });
+  });
+
+  it('renders select with correct options and default value', () => {
+    render(<LicenseSelectorInternal {...props} />);
+    const select = screen.getByRole('combobox');
+    expect(select).toBeInTheDocument();
+    expect((select as HTMLSelectElement).value).toBe(props.license);
+    expect(screen.getByText(LicenseTypes.allRightsReserved)).toBeInTheDocument();
+    expect(screen.getByText(LicenseTypes.creativeCommons)).toBeInTheDocument();
+  });
+
+  it('disables select when level is course', () => {
+    render(<LicenseSelectorInternal {...props} level={LicenseLevel.course} />);
+    expect(screen.getByRole('combobox')).toBeDisabled();
+  });
+
+  it('shows delete button when level is not course', () => {
+    render(<LicenseSelectorInternal {...props} />);
+    expect(screen.getByRole('button')).toBeInTheDocument();
+  });
+
+  it('does not show delete button when level is course', () => {
+    render(<LicenseSelectorInternal {...props} level={LicenseLevel.course} />);
+    expect(screen.queryByRole('button')).not.toBeInTheDocument();
+  });
+
+  it('calls onLicenseChange when select changes', () => {
+    render(<LicenseSelectorInternal {...props} />);
+    fireEvent.change(screen.getByRole('combobox'), { target: { value: LicenseTypes.select } });
+    expect(onLicenseChange).toHaveBeenCalledWith(LicenseTypes.select);
+  });
+
+  it('calls updateField and resets select when delete button clicked', () => {
+    render(<LicenseSelectorInternal {...props} />);
+    fireEvent.click(screen.getByRole('button'));
+    expect(updateField).toHaveBeenCalledWith({ licenseType: '', licenseDetails: {} });
+  });
+
+  it('renders level description', () => {
+    render(<LicenseSelectorInternal {...props} />);
+    expect(screen.getByText('Test level description')).toBeInTheDocument();
+  });
+
+  it('renders border when license is not select', () => {
+    const { container } = render(<LicenseSelectorInternal {...props} license={LicenseTypes.allRightsReserved} />);
+    expect(container.querySelector('.border-primary-100')).toBeInTheDocument();
+  });
+
+  it('does not render border when license is select', () => {
+    const { container } = render(<LicenseSelectorInternal {...props} license={LicenseTypes.select} />);
+    expect(container.querySelector('.border-primary-100')).not.toBeInTheDocument();
+  });
+});
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/LicenseSelector.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/LicenseSelector.test.jsx.snap
deleted file mode 100644
index 558ffc81d..000000000
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/LicenseSelector.test.jsx.snap
+++ /dev/null
@@ -1,203 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`LicenseSelector snapshots snapshots: renders as expected with block level 1`] = `
-<Fragment>
-  <ActionRow>
-    <Form.Control
-      as="select"
-      className="w-100 m-0 p-0"
-      defaultValue="all-rights-reserved"
-      disabled={false}
-      floatingLabel="License Type"
-      onChange={[Function]}
-    >
-      <option
-        hidden={true}
-      >
-        Select
-      </option>
-      <option
-        value="all-rights-reserved"
-      >
-        All Rights Reserved
-      </option>
-      <option
-        value="creative-commons"
-      >
-        Creative Commons
-      </option>
-    </Form.Control>
-    <Fragment>
-      <ActionRow.Spacer />
-      <IconButtonWithTooltip
-        iconAs="Icon"
-        onClick={[Function]}
-        tooltipContent={
-          <FormattedMessage
-            defaultMessage="Clear and apply the course-level license"
-            description="Message presented to user for action to delete license selection"
-            id="authoring.videoeditor.license.deleteLicenseSelection"
-          />
-        }
-        tooltipPlacement="top"
-      />
-    </Fragment>
-  </ActionRow>
-  <div
-    className="x-small mt-3"
-  >
-    <FormattedMessage
-      defaultMessage="This license is set specifically for this video"
-      description="Helper text for license type when choosing for a spcific video"
-      id="authoring.videoeditor.license.defaultLevelDescription.helperText"
-    />
-  </div>
-  <div
-    className="border-primary-100 mt-3 border-bottom"
-  />
-</Fragment>
-`;
-
-exports[`LicenseSelector snapshots snapshots: renders as expected with default props 1`] = `
-<Fragment>
-  <ActionRow>
-    <Form.Control
-      as="select"
-      className="w-100 m-0 p-0"
-      defaultValue="all-rights-reserved"
-      disabled={true}
-      floatingLabel="License Type"
-      onChange={[Function]}
-    >
-      <option
-        hidden={true}
-      >
-        Select
-      </option>
-      <option
-        value="all-rights-reserved"
-      >
-        All Rights Reserved
-      </option>
-      <option
-        value="creative-commons"
-      >
-        Creative Commons
-      </option>
-    </Form.Control>
-  </ActionRow>
-  <div
-    className="x-small mt-3"
-  >
-    <FormattedMessage
-      defaultMessage="This license currently set at the course level"
-      description="Helper text for license type when using course license"
-      id="authoring.videoeditor.license.courseLevelDescription.helperText"
-    />
-  </div>
-  <div
-    className="border-primary-100 mt-3 border-bottom"
-  />
-</Fragment>
-`;
-
-exports[`LicenseSelector snapshots snapshots: renders as expected with library level 1`] = `
-<Fragment>
-  <ActionRow>
-    <Form.Control
-      as="select"
-      className="w-100 m-0 p-0"
-      defaultValue="all-rights-reserved"
-      disabled={false}
-      floatingLabel="License Type"
-      onChange={[Function]}
-    >
-      <option
-        hidden={true}
-      >
-        Select
-      </option>
-      <option
-        value="all-rights-reserved"
-      >
-        All Rights Reserved
-      </option>
-      <option
-        value="creative-commons"
-      >
-        Creative Commons
-      </option>
-    </Form.Control>
-    <Fragment>
-      <ActionRow.Spacer />
-      <IconButtonWithTooltip
-        iconAs="Icon"
-        onClick={[Function]}
-        tooltipContent={
-          <FormattedMessage
-            defaultMessage="Clear and apply the course-level license"
-            description="Message presented to user for action to delete license selection"
-            id="authoring.videoeditor.license.deleteLicenseSelection"
-          />
-        }
-        tooltipPlacement="top"
-      />
-    </Fragment>
-  </ActionRow>
-  <div
-    className="x-small mt-3"
-  >
-    <FormattedMessage
-      defaultMessage="This license currently set at the library level"
-      description="Helper text for license type when using library license"
-      id="authoring.videoeditor.license.libraryLevelDescription.helperText"
-    />
-  </div>
-  <div
-    className="border-primary-100 mt-3 border-bottom"
-  />
-</Fragment>
-`;
-
-exports[`LicenseSelector snapshots snapshots: renders as expected with no license 1`] = `
-<Fragment>
-  <ActionRow>
-    <Form.Control
-      as="select"
-      className="w-100 m-0 p-0"
-      defaultValue=""
-      disabled={true}
-      floatingLabel="License Type"
-      onChange={[Function]}
-    >
-      <option
-        hidden={true}
-      >
-        Select
-      </option>
-      <option
-        value="all-rights-reserved"
-      >
-        All Rights Reserved
-      </option>
-      <option
-        value="creative-commons"
-      >
-        Creative Commons
-      </option>
-    </Form.Control>
-  </ActionRow>
-  <div
-    className="x-small mt-3"
-  >
-    <FormattedMessage
-      defaultMessage="This license currently set at the course level"
-      description="Helper text for license type when using course license"
-      id="authoring.videoeditor.license.courseLevelDescription.helperText"
-    />
-  </div>
-  <div
-    className="border-primary-100 mt-3 border-bottom"
-  />
-</Fragment>
-`;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/index.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/index.test.jsx.snap
index d63bc7705..55c2822c6 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/index.test.jsx.snap
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/index.test.jsx.snap
@@ -1,7 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`LicenseWidget snapshots snapshots: renders as expected with default props 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
+  fontSize=""
   subtitle={
     <div>
       <injectIntl(ShimmedIntlComponent)
@@ -25,7 +26,7 @@ exports[`LicenseWidget snapshots snapshots: renders as expected with default pro
     gap={4}
   >
     <Fragment>
-      <injectIntl(ShimmedIntlComponent)
+      <[object Object]
         level="course"
         license="all-rights-reserved"
       />
@@ -64,11 +65,12 @@ exports[`LicenseWidget snapshots snapshots: renders as expected with default pro
       </Button>
     </Fragment>
   </Stack>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
 
 exports[`LicenseWidget snapshots snapshots: renders as expected with isLibrary true 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
+  fontSize=""
   subtitle={
     <div>
       <injectIntl(ShimmedIntlComponent)
@@ -92,7 +94,7 @@ exports[`LicenseWidget snapshots snapshots: renders as expected with isLibrary t
     gap={4}
   >
     <Fragment>
-      <injectIntl(ShimmedIntlComponent)
+      <[object Object]
         level="library"
         license="all-rights-reserved"
       />
@@ -114,11 +116,12 @@ exports[`LicenseWidget snapshots snapshots: renders as expected with isLibrary t
       />
     </Fragment>
   </Stack>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
 
 exports[`LicenseWidget snapshots snapshots: renders as expected with licenseType defined 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
+  fontSize=""
   subtitle={
     <div>
       <injectIntl(ShimmedIntlComponent)
@@ -142,7 +145,7 @@ exports[`LicenseWidget snapshots snapshots: renders as expected with licenseType
     gap={4}
   >
     <Fragment>
-      <injectIntl(ShimmedIntlComponent)
+      <[object Object]
         level="block"
         license="all-rights-reserved"
       />
@@ -164,5 +167,5 @@ exports[`LicenseWidget snapshots snapshots: renders as expected with licenseType
       />
     </Fragment>
   </Stack>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/SocialShareWidget/__snapshots__/index.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/SocialShareWidget/__snapshots__/index.test.jsx.snap
index b654d77b0..31ad92d69 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/SocialShareWidget/__snapshots__/index.test.jsx.snap
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/SocialShareWidget/__snapshots__/index.test.jsx.snap
@@ -7,7 +7,7 @@ exports[`SocialShareWidget rendered with videoSharingEnabled false with videoSha
 exports[`SocialShareWidget rendered with videoSharingEnabled false with videoSharingEnabledForCourse and isLibrary false and videoSharingEnabledForAll true should return null 1`] = `null`;
 
 exports[`SocialShareWidget rendered with videoSharingEnabled true and allowVideoSharing value equals false should have subtitle with text that reads Enabled 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
   subtitle="Disabled"
   title="Social Sharing"
@@ -42,11 +42,11 @@ exports[`SocialShareWidget rendered with videoSharingEnabled true and allowVideo
       Learn more about social sharing
     </Hyperlink>
   </div>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
 
 exports[`SocialShareWidget rendered with videoSharingEnabled true and allowVideoSharing value equals true should have subtitle with text that reads Enabled 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
   subtitle="Enabled"
   title="Social Sharing"
@@ -81,5 +81,5 @@ exports[`SocialShareWidget rendered with videoSharingEnabled true and allowVideo
       Learn more about social sharing
     </Hyperlink>
   </div>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/ThumbnailWidget/__snapshots__/index.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/ThumbnailWidget/__snapshots__/index.test.jsx.snap
index fd175bb11..e5762eab2 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/ThumbnailWidget/__snapshots__/index.test.jsx.snap
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/ThumbnailWidget/__snapshots__/index.test.jsx.snap
@@ -3,7 +3,7 @@
 exports[`ThumbnailWidget snapshots snapshots: renders as expected where thumbnail uploads are allowed 1`] = `null`;
 
 exports[`ThumbnailWidget snapshots snapshots: renders as expected where videoId is valid 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
   isError={true}
   subtitle="Yes"
@@ -38,11 +38,11 @@ exports[`ThumbnailWidget snapshots snapshots: renders as expected where videoId
       tooltipPlacement="top"
     />
   </Stack>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
 
 exports[`ThumbnailWidget snapshots snapshots: renders as expected where videoId is valid and no thumbnail 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
   isError={true}
   subtitle="None"
@@ -106,11 +106,11 @@ exports[`ThumbnailWidget snapshots snapshots: renders as expected where videoId
       />
     </Button>
   </Stack>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
 
 exports[`ThumbnailWidget snapshots snapshots: renders as expected with a thumbnail provided 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
   isError={true}
   subtitle="Yes"
@@ -148,7 +148,7 @@ exports[`ThumbnailWidget snapshots snapshots: renders as expected with a thumbna
       thumbnail={true}
     />
   </Stack>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
 
 exports[`ThumbnailWidget snapshots snapshots: renders as expected with default props 1`] = `null`;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/ImportTranscriptCard.test.jsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/ImportTranscriptCard.test.jsx
deleted file mode 100644
index 1a55bc98c..000000000
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/ImportTranscriptCard.test.jsx
+++ /dev/null
@@ -1,58 +0,0 @@
-import 'CourseAuthoring/editors/setupEditorTest';
-import React from 'react';
-import { shallow } from '@edx/react-unit-test-utils';
-import { Button, IconButton } from '@openedx/paragon';
-
-import { thunkActions } from '../../../../../../data/redux';
-import { ImportTranscriptCardInternal as ImportTranscriptCard, mapDispatchToProps, mapStateToProps } from './ImportTranscriptCard';
-
-jest.mock('react', () => ({
-  ...jest.requireActual('react'),
-  useContext: jest.fn(() => ({ transcripts: ['error.transcripts', jest.fn().mockName('error.setTranscripts')] })),
-}));
-
-jest.mock('../../../../../../data/redux', () => ({
-  thunkActions: {
-    video: {
-      importTranscript: jest.fn().mockName('thunkActions.video.importTranscript'),
-    },
-  },
-}));
-
-describe('ImportTranscriptCard', () => {
-  const props = {
-    setOpen: jest.fn().mockName('setOpen'),
-    importTranscript: jest.fn().mockName('args.importTranscript'),
-  };
-  let el;
-  describe('snapshots', () => {
-    test('snapshots: renders as expected with default props', () => {
-      expect(
-        shallow(<ImportTranscriptCard {...props} />).snapshot,
-      ).toMatchSnapshot();
-    });
-  });
-  describe('behavior inspection', () => {
-    beforeEach(() => {
-      el = shallow(<ImportTranscriptCard {...props} />);
-    });
-    test('close behavior is linked to IconButton', () => {
-      expect(el.instance.findByType(IconButton)[0]
-        .props.onClick).toBeDefined();
-    });
-    test('import behavior is linked to Button onClick', () => {
-      expect(el.instance.findByType(Button)[0]
-        .props.onClick).toEqual(props.importTranscript);
-    });
-  });
-  describe('mapStateToProps', () => {
-    it('returns an empty object', () => {
-      expect(mapStateToProps()).toEqual({});
-    });
-  });
-  describe('mapDispatchToProps', () => {
-    test('updateField from thunkActions.video.importTranscript', () => {
-      expect(mapDispatchToProps.importTranscript).toEqual(thunkActions.video.importTranscript);
-    });
-  });
-});
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/ImportTranscriptCard.test.tsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/ImportTranscriptCard.test.tsx
new file mode 100644
index 000000000..51be87255
--- /dev/null
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/ImportTranscriptCard.test.tsx
@@ -0,0 +1,50 @@
+import React from 'react';
+import {
+  render, screen, fireEvent, initializeMocks,
+} from '@src/testUtils';
+import { ImportTranscriptCardInternal as ImportTranscriptCard } from './ImportTranscriptCard';
+
+jest.mock('../../../../../../data/redux', () => ({
+  thunkActions: {
+    video: {
+      importTranscript: jest.fn().mockName('thunkActions.video.importTranscript'),
+    },
+  },
+}));
+
+describe('ImportTranscriptCard (RTL)', () => {
+  const mockSetOpen = jest.fn();
+  const mockImportTranscript = jest.fn();
+
+  beforeEach(() => {
+    initializeMocks();
+  });
+
+  it('renders header, message, and button', () => {
+    render(
+      <ImportTranscriptCard setOpen={mockSetOpen} importTranscript={mockImportTranscript} />,
+    );
+    expect(screen.getByText('Import transcript from YouTube?')).toBeInTheDocument();
+    expect(screen.getByText('We found transcript for this video on YouTube. Would you like to import it now?')).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: 'Import Transcript' })).toBeInTheDocument();
+  });
+
+  it('calls setOpen(false) when close IconButton is clicked', () => {
+    const { container } = render(
+      <ImportTranscriptCard setOpen={mockSetOpen} importTranscript={mockImportTranscript} />,
+    );
+    const closeButton = container.querySelector('.btn-icon-primary');
+    expect(closeButton).toBeInTheDocument();
+    fireEvent.click(closeButton!);
+    expect(mockSetOpen).toHaveBeenCalledWith(false);
+  });
+
+  it('calls importTranscript when import button is clicked', () => {
+    render(
+      <ImportTranscriptCard setOpen={mockSetOpen} importTranscript={mockImportTranscript} />,
+    );
+    const importBtn = screen.getByRole('button', { name: 'Import Transcript' });
+    fireEvent.click(importBtn);
+    expect(mockImportTranscript).toHaveBeenCalled();
+  });
+});
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/Transcript.test.jsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/Transcript.test.jsx
index ed16d2f53..b091d383b 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/Transcript.test.jsx
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/Transcript.test.jsx
@@ -1,98 +1,82 @@
-import 'CourseAuthoring/editors/setupEditorTest';
 import React from 'react';
-import { shallow } from '@edx/react-unit-test-utils';
+import {
+  render, fireEvent, screen, initializeMocks,
+} from 'CourseAuthoring/testUtils';
+import { TranscriptInternal, hooks } from './Transcript';
 
-import * as module from './Transcript';
+jest.mock('./TranscriptActionMenu', () => jest.fn(() => <div>TranscriptActionMenu</div>));
+jest.mock('./LanguageSelector', () => jest.fn(() => <div>LanguageSelector</div>));
 
-import { MockUseState } from '../../../../../../testUtils';
+const defaultProps = {
+  index: 0,
+  language: '',
+  transcriptUrl: undefined,
+  deleteTranscript: jest.fn(),
+};
 
-const Transcript = module.TranscriptInternal;
-
-jest.mock('./LanguageSelector', () => 'LanguageSelector');
-jest.mock('./TranscriptActionMenu', () => 'TranscriptActionMenu');
-
-describe('Transcript Component', () => {
-  describe('state hooks', () => {
-    const state = new MockUseState(module.hooks);
-
-    beforeEach(() => {
-      jest.clearAllMocks();
-    });
-    describe('state hooks', () => {
-      state.testGetter(state.keys.inDeleteConfirmation);
-    });
-
-    describe('setUpDeleteConfirmation hook', () => {
-      beforeEach(() => {
-        state.mock();
-      });
-      afterEach(() => {
-        state.restore();
-      });
-      test('inDeleteConfirmation: state values', () => {
-        expect(module.hooks.setUpDeleteConfirmation().inDeleteConfirmation).toEqual(false);
-      });
-      test('inDeleteConfirmation setters: launch', () => {
-        module.hooks.setUpDeleteConfirmation().launchDeleteConfirmation();
-        expect(state.setState[state.keys.inDeleteConfirmation]).toHaveBeenCalledWith(true);
-      });
-      test('inDeleteConfirmation setters: cancel', () => {
-        module.hooks.setUpDeleteConfirmation().cancelDelete();
-        expect(state.setState[state.keys.inDeleteConfirmation]).toHaveBeenCalledWith(false);
-      });
-    });
+describe('TranscriptInternal', () => {
+  const cancelDelete = jest.fn();
+  const deleteTranscript = jest.fn();
+  jest.spyOn(hooks, 'setUpDeleteConfirmation').mockReturnValue({
+    inDeleteConfirmation: false,
+    launchDeleteConfirmation: deleteTranscript,
+    cancelDelete,
   });
 
-  describe('component', () => {
-    describe('component', () => {
-      const props = {
-        index: 'sOmenUmBer',
-        language: 'lAnG',
-        deleteTranscript: jest.fn().mockName('thunkActions.video.deleteTranscript'),
-      };
-      afterAll(() => {
-        jest.clearAllMocks();
-      });
-      test('snapshots: renders as expected with default props: dont show confirm delete', () => {
-        jest.spyOn(module.hooks, 'setUpDeleteConfirmation').mockImplementationOnce(() => ({
-          inDeleteConfirmation: false,
-          launchDeleteConfirmation: jest.fn().mockName('launchDeleteConfirmation'),
-          cancelDelete: jest.fn().mockName('cancelDelete'),
-        }));
-        expect(
-          shallow(<Transcript {...props} />).snapshot,
-        ).toMatchSnapshot();
-      });
-      test('snapshots: renders as expected with default props: dont show confirm delete, language is blank so delete is shown instead of action menu', () => {
-        jest.spyOn(module.hooks, 'setUpDeleteConfirmation').mockImplementationOnce(() => ({
-          inDeleteConfirmation: false,
-          launchDeleteConfirmation: jest.fn().mockName('launchDeleteConfirmation'),
-          cancelDelete: jest.fn().mockName('cancelDelete'),
-        }));
-        expect(
-          shallow(<Transcript {...props} language="" />).snapshot,
-        ).toMatchSnapshot();
-      });
-      test('snapshots: renders as expected with default props: show confirm delete', () => {
-        jest.spyOn(module.hooks, 'setUpDeleteConfirmation').mockImplementationOnce(() => ({
-          inDeleteConfirmation: true,
-          launchDeleteConfirmation: jest.fn().mockName('launchDeleteConfirmation'),
-          cancelDelete: jest.fn().mockName('cancelDelete'),
-        }));
-        expect(
-          shallow(<Transcript {...props} />).snapshot,
-        ).toMatchSnapshot();
-      });
-      test('snapshots: renders as expected with transcriptUrl', () => {
-        jest.spyOn(module.hooks, 'setUpDeleteConfirmation').mockImplementationOnce(() => ({
-          inDeleteConfirmation: false,
-          launchDeleteConfirmation: jest.fn().mockName('launchDeleteConfirmation'),
-          cancelDelete: jest.fn().mockName('cancelDelete'),
-        }));
-        expect(
-          shallow(<Transcript {...props} transcriptUrl="url" />).snapshot,
-        ).toMatchSnapshot();
-      });
+  beforeEach(() => {
+    initializeMocks();
+  });
+
+  it('renders ActionRow and LanguageSelector when not in delete confirmation', () => {
+    render(<TranscriptInternal {...defaultProps} />);
+    expect(screen.getByText('LanguageSelector')).toBeInTheDocument();
+    expect(screen.getByRole('button')).toBeInTheDocument();
+  });
+
+  it('renders TranscriptActionMenu when language is not empty', () => {
+    const props = { language: 'en', transcriptUrl: 'url' };
+    render(<TranscriptInternal {...defaultProps} {...props} />);
+    expect(screen.getByText('TranscriptActionMenu')).toBeInTheDocument();
+  });
+
+  it('calls launchDeleteConfirmation when IconButton is clicked', () => {
+    render(<TranscriptInternal {...defaultProps} />);
+    fireEvent.click(screen.getByRole('button'));
+    expect(deleteTranscript).toHaveBeenCalled();
+  });
+
+  it('renders delete confirmation card when inDeleteConfirmation is true', () => {
+    jest.spyOn(hooks, 'setUpDeleteConfirmation').mockReturnValue({
+      inDeleteConfirmation: true,
+      launchDeleteConfirmation: jest.fn(),
+      cancelDelete,
     });
+    render(<TranscriptInternal {...defaultProps} />);
+    expect(screen.getByText('Delete this transcript?')).toBeInTheDocument();
+    expect(screen.getByText('Are you sure you want to delete this transcript?')).toBeInTheDocument();
+  });
+
+  it('calls cancelDelete when cancel button is clicked', () => {
+    jest.spyOn(hooks, 'setUpDeleteConfirmation').mockReturnValue({
+      inDeleteConfirmation: true,
+      launchDeleteConfirmation: jest.fn(),
+      cancelDelete,
+    });
+    render(<TranscriptInternal {...defaultProps} />);
+    fireEvent.click(screen.getByRole('button', { name: 'Cancel' }));
+    expect(cancelDelete).toHaveBeenCalled();
+  });
+
+  it('calls deleteTranscript and cancelDelete when confirm delete is clicked', () => {
+    jest.spyOn(hooks, 'setUpDeleteConfirmation').mockReturnValue({
+      inDeleteConfirmation: true,
+      launchDeleteConfirmation: jest.fn(),
+      cancelDelete,
+    });
+    const props = { language: 'es', deleteTranscript };
+    render(<TranscriptInternal {...defaultProps} {...props} />);
+    fireEvent.click(screen.getByRole('button', { name: 'Delete' }));
+    expect(deleteTranscript).toHaveBeenCalledWith({ language: 'es' });
+    expect(cancelDelete).toHaveBeenCalled();
   });
 });
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/__snapshots__/ImportTranscriptCard.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/__snapshots__/ImportTranscriptCard.test.jsx.snap
deleted file mode 100644
index e71ea14cb..000000000
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/__snapshots__/ImportTranscriptCard.test.jsx.snap
+++ /dev/null
@@ -1,40 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`ImportTranscriptCard snapshots snapshots: renders as expected with default props 1`] = `
-<Stack
-  className="border rounded border-primary-200 p-4"
-  gap={3}
->
-  <ActionRow
-    className="h5"
-  >
-    <FormattedMessage
-      defaultMessage="Import transcript from YouTube?"
-      description="Header for import transcript card"
-      id="authoring.videoEditor.transcripts.importCard.header"
-    />
-    <ActionRow.Spacer />
-    <IconButton
-      iconAs="Icon"
-      onClick={[Function]}
-      src={[MockFunction icons.Close]}
-    />
-  </ActionRow>
-  <FormattedMessage
-    defaultMessage="We found transcript for this video on YouTube. Would you like to import it now?"
-    description="Message for import transcript card asking user if they want to import transcript"
-    id="authoring.videoEditor.transcrtipts.importCard.message"
-  />
-  <Button
-    onClick={[MockFunction args.importTranscript]}
-    size="sm"
-    variant="outline-primary"
-  >
-    <FormattedMessage
-      defaultMessage="Import Transcript"
-      description="Label for youTube import transcript button"
-      id="authoring.videoEditor.transcripts.importButton.label"
-    />
-  </Button>
-</Stack>
-`;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/__snapshots__/Transcript.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/__snapshots__/Transcript.test.jsx.snap
deleted file mode 100644
index f7bf72c1a..000000000
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/TranscriptWidget/__snapshots__/Transcript.test.jsx.snap
+++ /dev/null
@@ -1,103 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`Transcript Component component component snapshots: renders as expected with default props: dont show confirm delete 1`] = `
-<Fragment>
-  <ActionRow>
-    <LanguageSelector
-      language="lAnG"
-      title="sOmenUmBer"
-    />
-    <ActionRow.Spacer />
-    <TranscriptActionMenu
-      index="sOmenUmBer"
-      language="lAnG"
-      launchDeleteConfirmation={[MockFunction launchDeleteConfirmation]}
-    />
-  </ActionRow>
-</Fragment>
-`;
-
-exports[`Transcript Component component component snapshots: renders as expected with default props: dont show confirm delete, language is blank so delete is shown instead of action menu 1`] = `
-<Fragment>
-  <ActionRow>
-    <LanguageSelector
-      language=""
-      title="sOmenUmBer"
-    />
-    <ActionRow.Spacer />
-    <IconButton
-      iconAs="Icon"
-      onClick={[Function]}
-    />
-  </ActionRow>
-</Fragment>
-`;
-
-exports[`Transcript Component component component snapshots: renders as expected with default props: show confirm delete 1`] = `
-<Fragment>
-  <Card
-    className="mb-2"
-  >
-    <Card.Header
-      title={
-        <FormattedMessage
-          defaultMessage="Delete this transcript?"
-          description="Title for Warning which allows users to select next step in the process of deleting a transcript"
-          id="authoring.videoeditor.transcripts.deleteConfirmationTitle"
-        />
-      }
-    />
-    <Card.Body>
-      <Card.Section>
-        <FormattedMessage
-          defaultMessage="Are you sure you want to delete this transcript?"
-          description="Warning which allows users to select next step in the process of deleting a transcript"
-          id="authoring.videoeditor.transcripts.deleteConfirmationMessage"
-        />
-      </Card.Section>
-      <Card.Footer>
-        <Button
-          className="mb-2 mb-sm-0"
-          onClick={[MockFunction cancelDelete]}
-          variant="tertiary"
-        >
-          <FormattedMessage
-            defaultMessage="Cancel"
-            description="Label For Button, which allows users to stop the process of deleting a transcript"
-            id="authoring.videoeditor.transcripts.cancelDeleteLabel"
-          />
-        </Button>
-        <Button
-          className="mb-2 mb-sm-0"
-          onClick={[Function]}
-          variant="danger"
-        >
-          <FormattedMessage
-            defaultMessage="Delete"
-            description="Label For Button, which allows users to confirm the process of deleting a transcript"
-            id="authoring.videoeditor.transcripts.confirmDeleteLabel"
-          />
-        </Button>
-      </Card.Footer>
-    </Card.Body>
-  </Card>
-</Fragment>
-`;
-
-exports[`Transcript Component component component snapshots: renders as expected with transcriptUrl 1`] = `
-<Fragment>
-  <ActionRow>
-    <LanguageSelector
-      language="lAnG"
-      title="sOmenUmBer"
-    />
-    <ActionRow.Spacer />
-    <TranscriptActionMenu
-      index="sOmenUmBer"
-      language="lAnG"
-      launchDeleteConfirmation={[MockFunction launchDeleteConfirmation]}
-      transcriptUrl="url"
-    />
-  </ActionRow>
-</Fragment>
-`;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/VideoSourceWidget/__snapshots__/index.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/VideoSourceWidget/__snapshots__/index.test.jsx.snap
index c912b9b82..663ca8377 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/VideoSourceWidget/__snapshots__/index.test.jsx.snap
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/VideoSourceWidget/__snapshots__/index.test.jsx.snap
@@ -1,8 +1,9 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`VideoSourceWidget snapshots snapshots: renders as expected with default props 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
+  subtitle={null}
   title="Video source"
 >
   <ErrorAlert
@@ -154,12 +155,13 @@ exports[`VideoSourceWidget snapshots snapshots: renders as expected with default
       id="authoring.videoeditor.videoSource.fallbackVideo.addButtonLabel"
     />
   </Button>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
 
 exports[`VideoSourceWidget snapshots snapshots: renders as expected with videoSharingEnabledForCourse=true 1`] = `
-<injectIntl(ShimmedIntlComponent)
+<CollapsibleFormWidget
   fontSize="x-small"
+  subtitle={null}
   title="Video source"
 >
   <ErrorAlert
@@ -311,5 +313,5 @@ exports[`VideoSourceWidget snapshots snapshots: renders as expected with videoSh
       id="authoring.videoeditor.videoSource.fallbackVideo.addButtonLabel"
     />
   </Button>
-</injectIntl(ShimmedIntlComponent)>
+</CollapsibleFormWidget>
 `;
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/__snapshots__/CollapsibleFormWidget.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/__snapshots__/CollapsibleFormWidget.test.jsx.snap
deleted file mode 100644
index 8da3c5f03..000000000
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/__snapshots__/CollapsibleFormWidget.test.jsx.snap
+++ /dev/null
@@ -1,145 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`CollapsibleFormWidget render snapshots: renders as expected with default props 1`] = `
-<Advanced
-  className="collapsible-card rounded mx-4 my-3 px-4 text-primary-500"
-  defaultOpen={true}
->
-  <Trigger
-    className="collapsible-trigger d-flex border-0 align-items-center pt-4 p-0"
-    style={
-      {
-        "justifyContent": "unset",
-      }
-    }
-  >
-    <Visible
-      className="p-0 pb-3"
-      whenClosed={true}
-    >
-      <div
-        className="d-flex flex-column flex-grow-1"
-      >
-        <div
-          className="d-flex flex-grow-1 w-75 x-small"
-        >
-          tiTLE
-        </div>
-        <div
-          className=" mb-4 mt-3"
-        >
-          SuBTItle
-        </div>
-      </div>
-      <div
-        className="d-flex flex-row align-self-start"
-      >
-        <IconButton
-          alt="Expand"
-          iconAs="Icon"
-          variant="dark"
-        />
-      </div>
-    </Visible>
-    <Visible
-      whenOpen={true}
-    >
-      <div
-        className="d-flex flex-grow-1 w-75 x-small"
-      >
-        tiTLE
-      </div>
-      <div
-        className="align-self-start"
-      >
-        <IconButton
-          alt="Collapse"
-          iconAs="Icon"
-          variant="dark"
-        />
-      </div>
-    </Visible>
-  </Trigger>
-  <Body
-    className="collapsible-body rounded px-0  pb-4"
-  >
-    <p>
-      Some test string
-    </p>
-  </Body>
-</Advanced>
-`;
-
-exports[`CollapsibleFormWidget render snapshots: renders with open={true} when there is error 1`] = `
-<Advanced
-  className="collapsible-card rounded mx-4 my-3 px-4 text-primary-500"
-  defaultOpen={true}
-  open={true}
->
-  <Trigger
-    className="collapsible-trigger d-flex border-0 align-items-center pt-4 p-0"
-    style={
-      {
-        "justifyContent": "unset",
-      }
-    }
-  >
-    <Visible
-      className="p-0 pb-3"
-      whenClosed={true}
-    >
-      <div
-        className="d-flex flex-column flex-grow-1"
-      >
-        <div
-          className="d-flex flex-grow-1 w-75 x-small"
-        >
-          tiTLE
-        </div>
-        <div
-          className=" mb-4 mt-3"
-        >
-          SuBTItle
-        </div>
-      </div>
-      <div
-        className="d-flex flex-row align-self-start"
-      >
-        <Icon
-          className="alert-icon"
-        />
-        <IconButton
-          alt="Expand"
-          iconAs="Icon"
-          variant="dark"
-        />
-      </div>
-    </Visible>
-    <Visible
-      whenOpen={true}
-    >
-      <div
-        className="d-flex flex-grow-1 w-75 x-small"
-      >
-        tiTLE
-      </div>
-      <div
-        className="align-self-start"
-      >
-        <IconButton
-          alt="Collapse"
-          iconAs="Icon"
-          variant="dark"
-        />
-      </div>
-    </Visible>
-  </Trigger>
-  <Body
-    className="collapsible-body rounded px-0  pb-4"
-  >
-    <p>
-      Some test string
-    </p>
-  </Body>
-</Advanced>
-`;
diff --git a/tsconfig.json b/tsconfig.json
index aa88164ad..212ce4c78 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,7 +4,7 @@
       "outDir": "dist",
       "baseUrl": "./src",
       "paths": {
-        "*": ["*"]
+        "@src/*": ["./*"],
       }
     },
     "include": ["*.js", ".eslintrc.js", "src/**/*", "plugins/**/*"],
diff --git a/webpack.dev.config.js b/webpack.dev.config.js
index 57ee9080e..3d0591d7d 100644
--- a/webpack.dev.config.js
+++ b/webpack.dev.config.js
@@ -4,6 +4,8 @@ const { createConfig } = require('@openedx/frontend-build');
 const config = createConfig('webpack-dev', {
   resolve: {
     alias: {
+      // Within this app, we can use '@src/foo instead of relative URLs like '../../../foo'
+      '@src': path.resolve(__dirname, 'src/'),
       // Plugins can use 'CourseAuthoring' as an import alias for this app:
       CourseAuthoring: path.resolve(__dirname, 'src/'),
     },