Removed 'serializer' from name of test functions
Removed 'serializer' from name of test functions

Because the name '_serializer_' has no relationships with this tests

kevin1024/vcrpy,ByteInternet/vcrpy,gwillem/vcrpy,kevin1024/vcrpy,mgeisler/vcrpy,graingert/vcrpy,ByteInternet/vcrpy,yarikoptic/vcrpy,poussik/vcrpy,graingert/vcrpy,aclevy/vcrpy,IvanMalison/vcrpy,bcen/vcrpy,agriffis/vcrpy,poussik/vcrpy