MNT Behat test - removing implicitly added files

tests/behat/features/populate-campaigns.feature

@@ -84,3 +84,36 @@ Feature: Populate campaigns
     Then I should see a "Published "Full Campaign" successfully." success toast
     When I press the "Campaigns" button
     Then I should see "Published" in column 3 of the "Full Campaign" campaign
+
+Scenario: I can remove a campaign item with implicitly added items
+    When I go to "admin/pages"
+    And I click on "About Us" in the tree
+    Then I should see an edit page form
+    When I fill in "About us changed" for "Title"
+    And I fill in the "Content" HTML field with "<p>my new content</p>"
+    And I press the "Save" button
+    And I press the "Insert from Files" HTML field button
+    And I click the "folder1" gallery item
+    And I click the "file2" gallery item
+    And I press the "Insert file" button
+    Then the "Content" HTML field should contain "file2.jpg"
+    And I press the "Save" button
+    Then I should see the "Saved" button
+    And I click "More options" in the "#ActionMenus" element
+    And I press the "Add to Campaign" button
+    Then I should see a modal titled "Add to campaign"
+    When I select "Campaign" from "Campaign"
+    And I press the "Add" button
+    When I close the modal
+    When I go to "admin/campaigns"
+    And I view the campaign "Campaign"
+    Then I should see the "About Us" campaign item
+    And I should see the "file2" campaign item
+    When I press the "Publish campaign" button, confirming the dialog
+    Then I should see a "Published "Full Campaign" successfully." success toast
+    And I select the "About Us" campaign item
+    And I wait until I see the ".campaign-admin__campaign-preview .action-menu__toggle" element
+    And I click on the ".campaign-admin__campaign-preview .action-menu__toggle" element
+    And I press the "Remove" button, confirming the dialog
+    Then I should not see the "About Us" campaign item
+    And I should not see the "file2" campaign item