Fixes defect with test_links

* Removes check for swap field, which is optional for flavors.
  Will re-add as an optional check.

Change-Id: I515761f46bb7969a949bb42c2eb9f3fde4149e97
Merge "Fixes defect with test_links"
Changed delete server to use wait_for_server_to_be_deleted

Change-Id: I32a83ef0ad78aa9d847546df2566b58bebe9b735
Expanded positive/negative coverage for delete server

* Added pos/neg tests for deleted servers
* Added proper tags for tests

Change-Id: I2c49b0239ec1dc1481ef934cce90601868463d92
Start of refactor of images tests

* Replaced test_images with test_create_image
* Added basic image tests
* Will re-add delete image tests in separate commit

Change-Id: Ic269e582de5e48b6fcc9c9ef12b42e164755ef67
Adds delete image tests

* Added test_delete_image module
* Added smoke, positive, and negative tests

Change-Id: Iba70e9bbcc8ab5fd5de970a5cd798bbd130adcb8
Merge "Adds delete image tests"
Merge "Start of refactor of images tests"