Updated openstack/openstack
Project: openstack/heat  f869c3f01b9a60ad8a5c0944927326a8f93b9dca

Adding tests for sahara client exeptions

Currently sahara client has not any tests for common methods. This patch
adds missed tests and also sets exceptions_module variable.

Closes-bug: #1380563
Change-Id: I6b9482f585847ff32a1ca71ba383a19a33b6bddf