revert custom_criteria_pack_id in testing.ini

Author: HadronCollider

app_conf/testing.ini

@@ -28,7 +28,7 @@ custom_task_id=testing_custom_task_id
 custom_task_description=testing_custom_task_description
 custom_attempt_count=3
 custom_required_points=1.5
-custom_criteria_pack_id=TenMinutesTrainingPack
+custom_criteria_pack_id=SimplePack
 custom_feedback_evaluator_id=1
 custom_formats=pdf,pptx,ppt,odp
 roles=Instructor