Updated openstack/openstack
Project: openstack/tempest  443d64f7bb33b13f3e3d932f582000dc8eb2c364

VPNaaS API tests cleanup

This patch removes some redundant method definitions
that could be autogenerated with _create method of NetworkClientBase
class

Change-Id: Iec8d672a1744f7d851adaaeb54130a94618b76bf