add delete_task test

Author: denik

acceptance/bundle/resources/jobs/delete_task/databricks.yml

@@ -5,13 +5,13 @@ resources:
   jobs:
     job:
       tasks:
-        - task_key: TestTask1                                # TO_DELETE
-          existing_cluster_id: "0717-132531-5opeqon1"        # TO_DELETE
-          python_wheel_task:                                 # TO_DELETE
-            package_name: "whl"                              # TO_DELETE
-            entry_point: "run"                               # TO_DELETE
-          libraries:                                         # TO_DELETE
-            - whl: /Workspace/Users/foo@bar.com/mywheel.whl  # TO_DELETE
+        - task_key: TestTask1 # TO_DELETE
+          existing_cluster_id: "0717-132531-5opeqon1" # TO_DELETE
+          python_wheel_task: # TO_DELETE
+            package_name: "whl" # TO_DELETE
+            entry_point: "run" # TO_DELETE
+          libraries: # TO_DELETE
+            - whl: /Workspace/Users/foo@bar.com/mywheel.whl # TO_DELETE
         - task_key: TestTask2
           for_each_task:
             inputs: "[1]"