Updated openstack/openstack
Project: openstack/nova  c54bcb863ff7e0329484b06d5433b2860a4647bd

Make several ec2 API tests inherit from NoDBTestCase

There are several ec2 API test classes which aren't
using the database so we should have them inherit from
the NoDBTestCase base class.

Change-Id: I6c2fcca72c93d6528a40813652c0bb6d6783ee09