Add simple unit test for fixed basic auth manager.
Add simple unit test for fixed basic auth manager.

google/grr,dunkhong/grr,google/grr,dunkhong/grr,google/grr,dunkhong/grr,google/grr,google/grr,dunkhong/grr,google/grr,dunkhong/grr,dunkhong/grr,google/grr,dunkhong/grr