Updated openstack/openstack
Project: openstack/oslo.config  582e1a39a57903472b3d99ce6293fda8e044c846

Add test case for hyphenated option names

Add some tests to show the broken behaviour in #127993 and to help
ensure that fixing it doesn't break correct behaviour in other places.

Related-Bug: #1279973
Change-Id: I69b2c4e3f27a3e193ca10cef32dd752d6a6fcc8b