Adding tests for the new response class methods.
Adding tests for the new response class methods.

ndm2/cakephp,dakota/cakephp,cakephp/cakephp,dakota/cakephp,tenkoma/cakephp,dakota/cakephp,petteyg/cakephp,garethellis36/cakephp,berrygoudswaard/cakephp,cakephp/cakephp,ADmad/cakephp,mvdriel/cakephp,petteyg/cakephp,ADmad/cakephp,davidyell/cakephp,ADmad/cakephp,ndm2/cakephp,mvdriel/cakephp,berrygoudswaard/cakephp,ndm2/cakephp,CakeDC/cakephp,cakephp/cakephp,dakota/cakephp,CakeDC/cakephp,CakeDC/cakephp,petteyg/cakephp,ndm2/cakephp,cakephp/cakephp,garethellis36/cakephp,garethellis36/cakephp,davidyell/cakephp,CakeDC/cakephp,tenkoma/cakephp,garethellis36/cakephp,tenkoma/cakephp,mvdriel/cakephp,berrygoudswaard/cakephp,mvdriel/cakephp,davidyell/cakephp,petteyg/cakephp,tenkoma/cakephp,ADmad/cakephp