SDC - Alerts are not displaying on CivicTheme pages [#3522639]

Problem/Motivation

Alerts should display on pages they are configured for.
All behat tests are failing on the SDC branch.
The XHR request is not being made.

--- Failed steps:

001 Scenario: Alerts can be viewed on homepage                          # tests/behat/features/content_type.civictheme_alert.view.feature:19
      And I should see the text "[TEST] Test alert title Homepage only" # tests/behat/features/content_type.civictheme_alert.view.feature:24
        The text "[TEST] Test alert title Homepage only" was not found anywhere in the text of the current page. (Behat\Mink\Exception\ResponseTextException)

002 Scenario: Alerts should follow the visibility settings         # tests/behat/features/content_type.civictheme_alert.view.feature:32
      And I should see the text "[TEST] Test alert body all pages" # tests/behat/features/content_type.civictheme_alert.view.feature:38
        The text "[TEST] Test alert body all pages" was not found anywhere in the text of the current page. (Behat\Mink\Exception\ResponseTextException)

003 Scenario: Alerts should be dismissed and not shown in the same session # tests/behat/features/content_type.civictheme_alert.view.feature:42
      And I should see the text "[TEST] Test alert body all pages"         # tests/behat/features/content_type.civictheme_alert.view.feature:48
        The text "[TEST] Test alert body all pages" was not found anywhere in the text of the current page. (Behat\Mink\Exception\ResponseTextException)

004 Scenario: Alerts should be dismissed and not shown in same session for logged in user # tests/behat/features/content_type.civictheme_alert.view.feature:70
      Then I should see the text "[TEST] Test dismissing alert body all pages"            # tests/behat/features/content_type.civictheme_alert.view.feature:75
        The text "[TEST] Test dismissing alert body all pages" was not found anywhere in the text of the current page. (Behat\Mink\Exception\ResponseTextException)

005 Scenario: Alerts should be dismissed and shown if their content was updated # tests/behat/features/content_type.civictheme_alert.view.feature:91
      Then I should see the text "[TEST] Test dismissing alert body all pages"  # tests/behat/features/content_type.civictheme_alert.view.feature:96
        The text "[TEST] Test dismissing alert body all pages" was not found anywhere in the text of the current page. (Behat\Mink\Exception\ResponseTextException)

006 Scenario: Alerts should not be shown if the date range is not today # tests/behat/features/content_type.civictheme_alert.view.feature:116
      Then I should see the text "[TEST] Test alert body all pages"     # tests/behat/features/content_type.civictheme_alert.view.feature:121
        The text "[TEST] Test alert body all pages" was not found anywhere in the text of the current page. (Behat\Mink\Exception\ResponseTextException)

007 Scenario: Alerts visibility                                      # tests/behat/features/content_type.civictheme_alert.view.feature:125
      Then I should see the text "[TEST] Test alert body visibility" # tests/behat/features/content_type.civictheme_alert.view.feature:143
        The text "[TEST] Test alert body visibility" was not found anywhere in the text of the current page. (Behat\Mink\Exception\ResponseTextException)