Updated AWS unit tests for the request signing mocks with the new method signatures.
Updated AWS unit tests for the request signing mocks with the new method signatures.

curoverse/libcloud,apache/libcloud,wrigri/libcloud,iPlantCollaborativeOpenSource/libcloud,mistio/libcloud,watermelo/libcloud,pquentin/libcloud,erjohnso/libcloud,supertom/libcloud,StackPointCloud/libcloud,t-tran/libcloud,pquentin/libcloud,andrewsomething/libcloud,illfelder/libcloud,Scalr/libcloud,cryptickp/libcloud,mgogoulos/libcloud,mistio/libcloud,niteoweb/libcloud,lochiiconnectivity/libcloud,wrigri/libcloud,cryptickp/libcloud,Scalr/libcloud,curoverse/libcloud,iPlantCollaborativeOpenSource/libcloud,niteoweb/libcloud,niteoweb/libcloud,Kami/libcloud,techhat/libcloud,pquentin/libcloud,NexusIS/libcloud,erjohnso/libcloud,StackPointCloud/libcloud,DimensionDataCBUSydney/libcloud,lochiiconnectivity/libcloud,t-tran/libcloud,samuelchong/libcloud,ZuluPro/libcloud,DimensionDataCBUSydney/libcloud,Kami/libcloud,mistio/libcloud,NexusIS/libcloud,DimensionDataCBUSydney/libcloud,Kami/libcloud,mgogoulos/libcloud,erjohnso/libcloud,vongazman/libcloud,techhat/libcloud,StackPointCloud/libcloud,illfelder/libcloud,cryptickp/libcloud,watermelo/libcloud,iPlantCollaborativeOpenSource/libcloud,mathspace/libcloud,apache/libcloud,ByteInternet/libcloud,wrigri/libcloud,t-tran/libcloud,SecurityCompass/libcloud,andrewsomething/libcloud,SecurityCompass/libcloud,illfelder/libcloud,vongazman/libcloud,watermelo/libcloud,mgogoulos/libcloud,lochiiconnectivity/libcloud,andrewsomething/libcloud,Scalr/libcloud,ByteInternet/libcloud,wuyuewen/libcloud,wuyuewen/libcloud,techhat/libcloud,mathspace/libcloud,supertom/libcloud,ZuluPro/libcloud,vongazman/libcloud,samuelchong/libcloud,SecurityCompass/libcloud,NexusIS/libcloud,ByteInternet/libcloud,wuyuewen/libcloud,apache/libcloud,curoverse/libcloud,supertom/libcloud,ZuluPro/libcloud,mathspace/libcloud,samuelchong/libcloud