Fix form submission issues. (#50)

* Fix form submission issues.

Fixed form submission issues on first click and
with optional fields check. Also fixed some warnings
and did some refactoring as well.

VAN-225, VAN-206

* added more tests

src/setupTest.js

@@ -3,4 +3,20 @@
 import Enzyme from 'enzyme';
 import Adapter from 'enzyme-adapter-react-16';
 
+import { getConfig } from '@edx/frontend-platform';
+import { configure as configureLogging } from '@edx/frontend-platform/logging';
+
 Enzyme.configure({ adapter: new Adapter() });
+class MockLoggingService {
+    logInfo = jest.fn();
+
+    logError = jest.fn();
+}
+
+export default function initializeMockLogging() {
+  const loggingService = configureLogging(MockLoggingService, {
+    config: getConfig(),
+  });
+
+  return { loggingService };
+}