This doesn't cause the test to fail - but I see this in the output:

PHP Warning: array_shift() expects parameter 1 to be array, boolean given in /home/damyonw/Documents/Moodle/instances/im_demo1/moodle/lib/tests/behat/behat_general.php on line 1085
PHP Stack trace:
PHP 1.

() /home/damyonw/Documents/Moodle/instances/im_demo1/moodle/vendor/behat/behat/bin/behat:0
PHP 2. Symfony\Component\Console\Application->run() /home/damyonw/Documents/Moodle/instances/im_demo1/moodle/vendor/behat/behat/bin/behat:32
PHP 3. Behat\Behat\Console\BehatApplication->doRun() /home/damyonw/Documents/Moodle/instances/im_demo1/moodle/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:121
PHP 4. Symfony\Component\Console\Application->doRun() /home/damyonw/Documents/Moodle/instances/im_demo1/moodle/vendor/behat/behat/src/Behat/Behat/Console/BehatApplication.php:68
PHP 5. Symfony\Component\Console\Application->doRunCommand() /home/damyonw/Documents/Moodle/instances/im_demo1/moodle/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:191
PHP 6. Symfony\Component\Console\Command\Command->run() /home/damyonw/Documents/Moodle/instances/im_demo1/moodle/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:895
PHP 7. Behat\Behat\Console\Command\BehatCommand->execute() /home/damyonw/Documents/Moodle/instances/im_demo1/moodle/vendor/symfony/symfony/src/Symfony/Component/Console/Command/Command.php:241
PHP 8. Behat\Behat\Console\Command\BehatCommand->runFeatures() /home/damyonw/Documents/Moodle/instances/im_demo1/moodle/vendor/behat/behat/src/Behat/Behat/Console/Command/B