Fixed checking for hashable
Used hash instead of collections.Hashable to determine
if all args are Hashable.

Change-Id: I8e778b4068fadd3aeb30b21f384bda2dd36c1904
Fixed error in class naming for the DataDrivenClass decorator

Change-Id: Ia1269b31f0b878273e4065f6c10eeeae5324a404
Merge "Fixed error in class naming for the DataDrivenClass decorator"
Merge "Fixed checking for hashable Used hash instead of collections.Hashable to determine if all args are Hashable."