Issue #2787577 by alexpott, dawehner: When tests use multiple namespaces they should do so in a coding standards compliant way
Issue #2719695 by alexpott, Mile23: Fix 'Drupal.Classes.ClassDeclaration.CloseBraceAfterBody' coding standard
Issue #2331079 by znerol, dawehner: Use RouteMatch in access-checks and remove RequestHelper::duplicate().
