No message is given when user attempts to submit a blank required single selection field

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.0 M2, 7.1.X, Master
• Component/s: Forms
• Labels:
  • QA-AUTOMATION
  • backend_test
  • fw_test_poshi
  • fw_test_unit
  • smashing_march18
• Fix Priority: 5
• Last Working Version:
  7.0.X
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/56513
• QA Test Name:
  • LocalFile.Forms#SubmitFormWithRequiredRadioField
• QA Test Score: 4

Steps to Reproduce:

1. Add a new form
2. Add a Single Selection Field
3. Input options
4. Set field to Required
5. Publish
6. Go to Publication URL
7. Leave field blank
8. Submit

Expected Result:
Field gives warning message "This field is required."

Actual Result:
No feedback given to the user. Submission silently fails.