uses javascript executor to check the profile photos
Merge branch 'master' into Issue2502
forces the popover to disappear before next test occurs
remove questions without responses to show
Modified num scale question details and template to display stats for students
Merge branch 'master' into Issue2564
Summarises stats for team and General feedback
Merge branch 'master' into Issue2564
Add post param null checking for instructorStudentCommentAdd
Merge branch 'master' into Issue2368
Fix issue by not extracting question details if question text is empty
Add assertion for null or empty question text for edit, but not delete
Add/modify tests for deletions, for null, empty and normal question text
Update tests to include responses summary statistics.
Uses jsExecutor to hide the popover image once test is done
Merge branch 'master' into Issue2502
Merge branch 'master' into Issue2564
removes the navbar while testing to avoid the 'hidden-behind-navbar' problem for profile picture hover tests
fix a bug and a test
Merge branch 'master' into Issue2623