.../system/lib/Drupal/system/Tests/Cache/PageCacheTagsTestBase.php   |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/modules/system/lib/Drupal/system/Tests/Cache/PageCacheTagsTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Cache/PageCacheTagsTestBase.php
index 194976a..4dfc88c 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Cache/PageCacheTagsTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Cache/PageCacheTagsTestBase.php
@@ -49,6 +49,8 @@ protected function verifyPageCache($path, $hit_or_miss, $tags = FALSE) {
       $cid_parts = array(url($path, array('absolute' => TRUE)), 'html');
       $cid = sha1(implode(':', $cid_parts));
       $cache_entry = \Drupal::cache('page')->get($cid);
+      sort($cache_entry->tags);
+      sort($tags);
       $this->assertIdentical($cache_entry->tags, $tags);
     }
   }