Better cleanup for Tempest tests

When running our Tempest tests, we are now cleaning up all the
objects we have created within the WatcherDB via a soft_delete.

Partially Implements: blueprint deletion-of-actions-plan

Change-Id: Ibdcfd2be37094377d09ad77d5c20298ee2baa4d0

watcher_tempest_plugin/tests/api/admin/test_action.py

@@ -38,8 +38,8 @@ class TestShowListAction(base.BaseInfraOptimTest):
             duration=30,
             sleep_for=.5
         )
-        _, action_plans = cls.client.list_action_plan_by_audit(
-            cls.audit['uuid'])
+        _, action_plans = cls.client.list_action_plans(
+            audit_uuid=cls.audit['uuid'])
         cls.action_plan = action_plans['action_plans'][0]
 
     @test.attr(type='smoke')