Move receive tests to the receive test class
Move receive tests to the receive test class

peterayeni/rapidsms,lsgunth/rapidsms,catalpainternational/rapidsms,lsgunth/rapidsms,catalpainternational/rapidsms,lsgunth/rapidsms,peterayeni/rapidsms,peterayeni/rapidsms,lsgunth/rapidsms,catalpainternational/rapidsms,peterayeni/rapidsms,catalpainternational/rapidsms