tests on the manual pipeline keyword

Former-commit-id: c657fcb4

.gitlab-ci.yml

@@ -8,7 +8,6 @@ stages:
 #  - integration_test_downstream # working but unwanted here
 #  - trigger_pipeline_in_B   # working but unwanted here
   - lint
-  - delete_stack
   - extended
   - heat
   - ansible_create_cluster_stage
@@ -64,7 +63,7 @@ yamllint:
     - yamllint -c ./.yamllintheat.yaml ./heat
 
 delete_stack_manual:
-  stage: delete_stack
+  stage: heat
   tags:
   - heat
   before_script: