Corrects matching of heat resources status

Reason:
- There is no attribute resource.state instead there is
  resource.resource_status.

Changes:
- Changes resource.state by resource.resource_status.
- The allowed value for successful resource created is CREATE_COMPLETE.

Change-Id: Ie1cce3cba6f19d10e7c3ddbb2389a19baf98d707
Closes-Bug: #1273094