Modified integration test. Given that we can now pass multiple cluste…

…rs, returning a non-existent service in a cluster result does not make sense.

tests/integration/targets/ecs_cluster/tasks/20_ecs_service.yml

@@ -422,7 +422,7 @@
 - name: assert that non-existent service is missing
   assert:
     that:
-      - "ecs_service_info.services_not_running[0].reason == 'MISSING'"
+      - "ecs_service_info.services|length == 0"
 
 - name: obtain specific ECS service facts
   ecs_service_info: