Change rspec 2 specific syntax to work on rspec 3
Change rspec 2 specific syntax to work on rspec 3

This should fix failing builds with rspec 3.

payrollhero/oauth2-provider,Demandbase/oauth2-provider,codegoblin/oauth2-provider,Demandbase/oauth2-provider,songkick/oauth2-provider,songkick/oauth2-provider,payrollhero/oauth2-provider,codegoblin/oauth2-provider