Broke out server update tests

* Removed update server tests from test_servers
* Added test_update_server module

Change-Id: I845dcdd5ce3ac07bd5f6553e611a87f3edc3cff8
Break out server update tests

* Removed update server tests from test_servers
* Created new test_update_server module

Change-Id: I7b51c50b0aff4aebbbadd787b1a4bee28be391ee
Modified authorization tests to work wih Auth provider

Change-Id: I94fd72038c799ab574802c556439e6b907f16f3a
Break out delete server tests

* Remove delete server tests from test_servers
* Adds new test_delete_server module

Change-Id: Ibb48bd436eb6d35fbfa4147e9456ec3a3456e997
Added create flavors tests

* Creates new flavors
* Creates a server with the new flavor
* Verifies a flavor with a duplicate name cannot be created

Change-Id: I2392b25408ff0498614dbe3af8255e5ce64974c6
Merge "Break out delete server tests"
Merge "Modified authorization tests to work wih Auth provider"
Merge "Break out server update tests"
Merge "Broke out server update tests"