.../Tests/Core/Cache/Context/QueryArgsCacheContextTest.php    | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/core/tests/Drupal/Tests/Core/Cache/Context/QueryArgsCacheContextTest.php b/core/tests/Drupal/Tests/Core/Cache/Context/QueryArgsCacheContextTest.php
index bd4cb0d..93a11c5 100644
--- a/core/tests/Drupal/Tests/Core/Cache/Context/QueryArgsCacheContextTest.php
+++ b/core/tests/Drupal/Tests/Core/Cache/Context/QueryArgsCacheContextTest.php
@@ -34,11 +34,12 @@ public function providerTestGetContext() {
       [[], NULL, NULL],
       [[], 'foo', NULL],
       // Non-empty query arguments.
-      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools'], NULL, 'alpaca=&llama=rocks&panda=drools'],
-      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools'], 'llama', 'rocks'],
-      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools'], 'alpaca', '?valueless?'],
-      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools'], 'panda', 'drools'],
-      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools'], 'chicken', NULL],
+      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools', 'z' => '0'], NULL, 'alpaca=&llama=rocks&panda=drools&z=0'],
+      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools', 'z' => '0'], 'llama', 'rocks'],
+      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools', 'z' => '0'], 'alpaca', '?valueless?'],
+      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools', 'z' => '0'], 'panda', 'drools'],
+      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools', 'z' => '0'], 'z', '0'],
+      [['llama' => 'rocks', 'alpaca' => '', 'panda' => 'drools', 'z' => '0'], 'chicken', NULL],
     ];
   }