Fixed some of the ui-helpers and made the course-team test faster
Added a comment on the features that will not work on firefox
Unskipped an acceptance test
Added comments to the two flakey features on firefox
Now ignoring the test file

if this does not make it untracked, please use the following command
git update-index --assume-unchanged common/test/data/uploads/test
Changed upload test to reset the file nicely