Rename tools/pip-requires to requirements.txt and tools/test-requires
to test-requirements.txt. These are standard files, and tools in the
general world are growing intelligence about them.
adding test-requirements.txt to quantumclient/openstack/common/setup.py per review instructions.
Change-Id: Ibf991b400bfbeb4222216649901586e01a0255b1
Fixes: bug #1179008