Reduce the uses of *x (with x a list) in python testing code. *x only works properly in recent python versions, it fails e.g. with the python3 shipped in Ubuntu 15.10.
Reduce the uses of *x (with x a list) in python testing code. *x only works properly in recent python versions, it fails e.g. with the python3 shipped in Ubuntu 15.10.

google/fruit,google/fruit,google/fruit