Add spork gems
Setup spork in test helper
Use more descriptive instance variable name
Use better variable names
Don't create another round instance when unnecessary
Use update_attribute when only saving one change
Simplify donation related tests
Require round when saving donation
Save round before testing donations
Remove round.failed from admin templates
Rename Round.failed to Round.failed?
Correct expected and actual test values
Merge branch 'refactor_round_test'