// a page inception style. This test verifies that is not happening.
$this->assertNoPattern('#</body>.*</body>#s', 'There was no double-page effect from a misrendered subrequest.');
-
// Confirm that route-level access check's cacheability is applied to the
// X-Drupal-Cache-Contexts and X-Drupal-Cache-Tags headers.
// 1. controller result: render array, globally cacheable route access.