Updated openstack/openstack
Project: openstack/nova  603e099af58fe367d7d906af2f91c9356838e8c8
null
Add test cases for validate_extra_spec_keys

There is no unit test cases for function flavors.validate_extra_spec_keys,
this patch adds for it

Change-Id: I689aad1ce7428687c723ecd2eba243fccb3342bf
Closes-Bug: #1292316