upgrades stubs to rspec 3.1 to avoid deprecation warning
upgrades stubs to rspec 3.1 to avoid deprecation warning

grounds/grounds.io,foliea/grounds.io,grounds/grounds.io,grounds/grounds.io,foliea/grounds.io,tamzi/grounds.io,grounds/grounds.io,tamzi/grounds.io,foliea/grounds.io,tamzi/grounds.io,foliea/grounds.io,tamzi/grounds.io