[14-Sep-2019 12:39:18 UTC] TypeError: Argument 1 passed to Drupal\FunctionalTests\Bootstrap\ErrorContainer::Drupal\FunctionalTests\Bootstrap\{closure}() must be an instance of Drupal\FunctionalTests\Bootstrap\ErrorContainer, int given, called in /var/www/core/tests/Drupal/FunctionalTests/Bootstrap/ErrorContainer.php on line 20 in /var/www/core/tests/Drupal/FunctionalTests/Bootstrap/ErrorContainer.php on line 18 #0 /var/www/core/tests/Drupal/FunctionalTests/Bootstrap/ErrorContainer.php(20): Drupal\FunctionalTests\Bootstrap\ErrorContainer->Drupal\FunctionalTests\Bootstrap\{closure}(1)
#1 /var/www/core/lib/Drupal/Core/DrupalKernel.php(1396): Drupal\FunctionalTests\Bootstrap\ErrorContainer->get('http_kernel')
#2 /var/www/core/lib/Drupal/Core/DrupalKernel.php(693): Drupal\Core\DrupalKernel->getHttpKernel()
#3 /var/www/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#4 {main}
[14-Sep-2019 12:39:22 UTC] Exception: Thrown exception during Container::get in /var/www/core/tests/Drupal/FunctionalTests/Bootstrap/ExceptionContainer.php on line 17 #0 /var/www/core/lib/Drupal/Core/DrupalKernel.php(1396): Drupal\FunctionalTests\Bootstrap\ExceptionContainer->get('http_kernel')
#1 /var/www/core/lib/Drupal/Core/DrupalKernel.php(693): Drupal\Core\DrupalKernel->getHttpKernel()
#2 /var/www/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#3 {main}