Fixes the the server not updating on notification bug
Merge branch 'dev' of https://github.com/cs3733bdt/wpi-suite into dev

# By Chris Knapp (2) and Philipp Baumann (1)
# Via Chris Knapp
* 'dev' of https://github.com/cs3733bdt/wpi-suite:
  Fixes more errors in test. Same as before, the same person voting twice on a requirement should not increase the vote count.
  Fix null pointer error in some tests Game is not accepting null in requirement set
  Fix error in test. Same person voting twice in a requirement should not increase the vote count, as it only edits the value of the pre-existing vote.