Currently, test_execute_workload_stabilization_strategy is creating an action plan as the metrics created in gnocchi and prometheus for the host have similar values.{}

To Reproduce Steps to reproduce the behavior:

1. Run tempest with watcher_tempest_plugin installed and watcher running
2. Check resulting ActionPlan for the test_execute_workload_stabilization_strategy test
3. The Action Plan is empty, but the test passes

Expected behavior

• The tempest test should create an action plan with one or more migrate actions.

Bug impact

• Lack of testing coverage for the the workload_stabilization strategy.
• Note that we have some coverage for that strategy in the real-data tests, which reduces the impact.