Note: all we are testing is that it remains possible to execute the deprecated step, for devs who still might want to do that Setup Add the following to lib/tests/behat/action_modal.feature around line 27 (within the "The popup closes when clicked on dead space - Modal" scenario): When I select "Something" from flat navigation drawer Test step Execute the following: $ bin/moodle-docker-compose exec --user www-data webserver php admin/tool/behat/cli/run.php --name="The popup closes when clicked on dead space - Modal" Confirm you see the following: --- Failed steps:   001 Scenario: The popup closes when clicked on dead space - Modal # /var/www/html/lib/tests/behat/action_modal.feature:25 When I select "Something" from flat navigation drawer # /var/www/html/lib/tests/behat/action_modal.feature:27 Deprecated step, rather than using this step you can: - i_select_from_primary_navigation - i_select_from_secondary_navigation - Set $CFG->behat_usedeprecated in config.php to allow the use of deprecated steps if you don't have any other option (Exception) Test step with $CFG->behat_usedeprecated enabled Add the following to your site config.php file: $CFG->behat_usedeprecated = 1; Re-run the previous scenario Confirm you see the following (the deprecated step has executed): --- Failed steps:   001 Scenario: The popup closes when clicked on dead space - Modal # /var/www/html/lib/tests/behat/action_modal.feature:25 When I select "Something" from flat navigation drawer # /var/www/html/lib/tests/behat/action_modal.feature:27 Xpath matching locator "//button[contains(@data-action,'toggle-drawer')]" not found. (Behat\Mink\Exception\ElementNotFoundException)