remove unnecessary but time-critical scenario in unit test trigger_combination

Author: bluetom

tests/behat/trigger_combination.feature

@@ -98,50 +98,3 @@ Feature: Combine triggers with 'and' operation and test view and actions
     And I should not see "Course BA"
     And I should not see "Course A"
     And I should not see "ArchCourse"
-
-  @javascript
-  Scenario: Combine automatic triggers (backup and course deletion)
-    Given I log in as "admin"
-    And I am on workflowdrafts page
-    And I click on "Create new workflow" "link"
-    And I set the following fields to these values:
-      | Title                      | My Workflow                               |
-      | Displayed workflow title   | Teachers view on workflow                 |
-    And I press "Save changes"
-
-    And I select "Trigger courses by roles missing" from the "tool_lifecycle-choose-trigger" singleselect
-    And I set the following fields to these values:
-      | Instance name                | Roles                       |
-      | Responsible Roles in courses | student                     |
-    And I press "Save changes"
-
-    And I select "Categories trigger" from the "tool_lifecycle-choose-trigger" singleselect
-    And I set the following fields to these values:
-      | Instance name                                               | Categories |
-      | Categories, for which the workflow should be triggered      | cata, catc |
-    And I press "Save changes"
-
-    And I select "Create backup step" from the "tool_lifecycle-choose-step" singleselect
-    And I set the field "Instance name" to "Create backup step"
-    And I press "Save changes"
-
-    And I select "Delete course step" from the "tool_lifecycle-choose-step" singleselect
-    And I set the field "Instance name" to "Delete Course 2"
-    And I press "Save changes"
-
-    And I am on workflowdrafts page
-    And I press "Activate"
-    And I run the scheduled task "tool_lifecycle\task\lifecycle_task"
-    And I wait "15" seconds
-    And I run the scheduled task "tool_lifecycle\task\lifecycle_task"
-    And I wait "15" seconds
-    And I run the scheduled task "tool_lifecycle\task\lifecycle_task"
-    And I wait "15" seconds
-    And I log out
-
-    And I log in as "teacher1"
-    When I am on lifecycle view
-    Then I should not see "Course A" in the "tool_lifecycle_remaining" "table"
-    And I should see "Course BA" in the "tool_lifecycle_remaining" "table"
-    And I should see "Course C" in the "tool_lifecycle_remaining" "table"
-    And I should see "ArchCourse" in the "tool_lifecycle_remaining" "table"