diff --git a/src/register/data/tests/reducers.test.js b/src/register/data/tests/reducers.test.js
index 518cbd40..df03d7a1 100644
--- a/src/register/data/tests/reducers.test.js
+++ b/src/register/data/tests/reducers.test.js
@@ -1,12 +1,13 @@
 import { getConfig } from '@edx/frontend-platform';
 
-import { DEFAULT_STATE } from '../../../data/constants';
+import { DEFAULT_REDIRECT_URL, DEFAULT_STATE, PENDING_STATE } from '../../../data/constants';
 import {
   BACKUP_REGISTRATION_DATA,
   REGISTER_CLEAR_USERNAME_SUGGESTIONS,
   REGISTER_FORM_VALIDATIONS,
   REGISTER_NEW_USER,
   REGISTER_SET_COUNTRY_CODE,
+  REGISTER_SET_USER_PIPELINE_DATA_LOADED,
   REGISTERATION_CLEAR_BACKEND_ERROR,
 } from '../actions';
 import reducer from '../reducers';
@@ -63,6 +64,42 @@ describe('Registration Reducer Tests', () => {
       },
     );
   });
+  it('should set redirect url dashboard on registration success action', () => {
+    const payload = {
+      redirectUrl: `${getConfig().BASE_URL}${DEFAULT_REDIRECT_URL}`,
+      success: true,
+    };
+    const action = {
+      type: REGISTER_NEW_USER.SUCCESS,
+      payload,
+    };
+
+    expect(reducer(defaultState, action)).toEqual(
+      {
+        ...defaultState,
+        registrationResult: payload,
+      },
+    );
+  });
+
+  it('should set the registration call and set the registration error object empty', () => {
+    const action = {
+      type: REGISTER_NEW_USER.BEGIN,
+    };
+
+    expect(reducer({
+      ...defaultState,
+      registrationError: {
+        email: 'This email already exist.',
+      },
+    }, action)).toEqual(
+      {
+        ...defaultState,
+        submitState: PENDING_STATE,
+        registrationError: {},
+      },
+    );
+  });
 
   it('should show username suggestions returned by registration error', () => {
     const payload = { usernameSuggestions: ['test12'] };
@@ -79,7 +116,68 @@ describe('Registration Reducer Tests', () => {
       },
     );
   });
+  it('should set the register user when SSO pipline data is loaded', () => {
+    const payload = { value: true };
+    const action = {
+      type: REGISTER_SET_USER_PIPELINE_DATA_LOADED,
+      payload,
+    };
 
+    expect(reducer(defaultState, action)).toEqual(
+      {
+        ...defaultState,
+        userPipelineDataLoaded: true,
+      },
+    );
+  });
+
+  it('should set country code on blur', () => {
+    const action = {
+      type: REGISTER_SET_COUNTRY_CODE,
+      payload: { countryCode: 'PK' },
+    };
+
+    expect(reducer({
+      ...defaultState,
+      registrationFormData: {
+        ...defaultState.registrationFormData,
+        configurableFormFields: {
+          ...defaultState.registrationFormData.configurableFormFields,
+          country: {
+            name: 'Pakistan',
+            code: 'PK',
+          },
+        },
+      },
+    }, action)).toEqual(
+      {
+        ...defaultState,
+        registrationFormData: {
+          ...defaultState.registrationFormData,
+          configurableFormFields: {
+            ...defaultState.registrationFormData.configurableFormFields,
+            country: {
+              name: 'Pakistan',
+              code: 'PK',
+            },
+          },
+        },
+      },
+    );
+  });
+  it(' registration api failure when api rate limit hits', () => {
+    const action = {
+      type: REGISTER_FORM_VALIDATIONS.FAILURE,
+    };
+
+    expect(reducer(defaultState, action)).toEqual(
+      {
+        ...defaultState,
+        validationApiRateLimited: true,
+        validations: null,
+      },
+    );
+  });
   it('should clear username suggestions', () => {
     const state = {
       ...defaultState,
@@ -92,6 +190,21 @@ describe('Registration Reducer Tests', () => {
     expect(reducer(state, action)).toEqual({ ...defaultState });
   });
 
+  it('should take back data during form reset', () => {
+    const state = {
+      ...defaultState,
+      shouldBackupState: true,
+    };
+    const action = {
+      type: BACKUP_REGISTRATION_DATA.BASE,
+    };
+
+    expect(reducer(state, action)).toEqual({
+      ...defaultState,
+      shouldBackupState: true,
+    });
+  });
+
   it('should not reset username suggestions and fields data during form reset', () => {
     const state = {
       ...defaultState,
diff --git a/src/register/tests/RegistrationPage.test.jsx b/src/register/tests/RegistrationPage.test.jsx
index 420c546f..e7c84429 100644
--- a/src/register/tests/RegistrationPage.test.jsx
+++ b/src/register/tests/RegistrationPage.test.jsx
@@ -346,6 +346,15 @@ describe('RegistrationPage', () => {
 
       expect(registrationPage.find('#email-warning').text()).toEqual('Did you mean: john@hotmail.com?');
     });
+    it('should click on email suggestions for common service provider domain typos', () => {
+      store.dispatch = jest.fn(store.dispatch);
+      const registrationPage = mount(reduxWrapper(<IntlRegistrationPage {...props} />));
+
+      registrationPage.find('input#email').simulate('change', { target: { value: 'john@yopmail.com', name: 'email' } });
+      registrationPage.find('input#email').simulate('blur');
+      registrationPage.find('.email-warning-alert-link').first().simulate('click');
+      expect(registrationPage.find('input#email').props().value).toEqual('john@hotmail.com');
+    });
 
     it('should give error for common top level domain mistakes', () => {
       store.dispatch = jest.fn(store.dispatch);
@@ -384,7 +393,32 @@ describe('RegistrationPage', () => {
 
       expect(registrationPage.find('input#username').prop('value')).toEqual('test-user');
     });
+    it('should remove extra character if username is more than 30 character long', () => {
+      const registrationPage = mount(reduxWrapper(<IntlRegistrationPage {...props} />));
+      registrationPage.find('input#username').simulate('change', { target: { value: 'why_this_is_not_valid_username_', name: 'username' } });
 
+      expect(registrationPage.find('input#username').prop('value')).toEqual('');
+    });
+
+    it('should give error with suggestion for common top level domain mistakes', () => {
+      const registrationPage = mount(reduxWrapper(<IntlRegistrationPage {...props} />));
+      registrationPage.find('input#email').simulate('change', { target: { value: 'ahtesham@hotmail', name: 'email' } });
+      registrationPage.find('input#email').simulate('blur');
+
+      const receievedMessage = 'Did you mean ahtesham@hotmail.com?';
+      expect(registrationPage.find('.alert-text').text()).toEqual(receievedMessage);
+    });
+
+    it('should call backend validation api for password validation', () => {
+      store.dispatch = jest.fn(store.dispatch);
+      const registrationPage = mount(reduxWrapper(<IntlRegistrationPage {...props} />));
+      registrationPage.find('input#password').simulate('change', { target: { value: 'aziz194@', name: 'password' } });
+      registrationPage.find('input#password').simulate('blur');
+
+      expect(store.dispatch).toHaveBeenCalledWith(fetchRealtimeValidations({
+        form_field_key: 'password', email: '', name: '', username: '', password: 'aziz194@',
+      }));
+    });
     // ******** test field focus in functionality ********
 
     it('should clear field related error messages on input field Focus', () => {
@@ -644,6 +678,25 @@ describe('RegistrationPage', () => {
       expect(registrationPage.find('button.username-suggestion').length).toEqual(3);
     });
 
+    it('should click on username suggestions when full name is populated', () => {
+      store = mockStore({
+        ...initialState,
+        register: {
+          ...initialState.register,
+          usernameSuggestions: ['test_1', 'test_12', 'test_123'],
+          registrationFormData: {
+            ...registrationFormData,
+            username: ' ',
+          },
+        },
+      });
+
+      const registrationPage = mount(reduxWrapper(<IntlRegistrationPage {...props} />));
+      registrationPage.find('input#name').simulate('change', { target: { value: 'test name', name: 'name' } });
+      registrationPage.find('.username-suggestion').first().simulate('click');
+      expect(registrationPage.find('input#username').props().value).toEqual('test_1');
+    });
+
     it('should clear username suggestions when close icon is clicked', () => {
       store = mockStore({
         ...initialState,
@@ -1110,7 +1163,6 @@ describe('RegistrationPage', () => {
       const registrationPage = mount(reduxWrapper(<IntlRegistrationPage {...props} />));
       registrationPage.find('input#email').simulate('change', { target: { value: 'test1@gmail.com', name: 'email' } });
       registrationPage.find('input#confirm_email').simulate('blur', { target: { value: 'test2@gmail.com', name: 'confirm_email' } });
-
       expect(registrationPage.find('div#confirm_email-error').text()).toEqual('The email addresses do not match.');
     });