Run pep8 on tests.
Run pep8 on tests.

I noticed that pep8 wasn't running on the tests.  This patch fixes that,
as well as a couple of pep8 errors in test_cfg.

Change-Id: I4429bfe6813a2e9394efb1753cbebbadb9f23833

shad7/oslo.config,JioCloud/oslo.config,metacloud/oslo.config,magic0704/oslo.config,citrix-openstack/build-oslo.config,varunarya10/oslo.config,tianshan/oslo.config,citrix-openstack-build/oslo.config