diff --git a/core/modules/config/tests/config_override_integration_test/src/Cache/ConfigOverrideIntegrationTestCacheContext.php b/core/modules/config/tests/config_override_integration_test/src/Cache/ConfigOverrideIntegrationTestCacheContext.php
index d8e87e9..31ec3d3 100644
--- a/core/modules/config/tests/config_override_integration_test/src/Cache/ConfigOverrideIntegrationTestCacheContext.php
+++ b/core/modules/config/tests/config_override_integration_test/src/Cache/ConfigOverrideIntegrationTestCacheContext.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\config_override_integration_test\Cache;
 
+use Drupal\Core\Cache\CacheableMetadata;
 use Drupal\Core\Cache\Context\CacheContextInterface;
 
 /**
@@ -32,4 +33,11 @@ public function getContext() {
     return 'config_override_integration_test.' . $state;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheableMetadata() {
+    return new CacheableMetadata();
+  }
+
 }
diff --git a/core/modules/config/tests/config_override_test/src/Cache/PirateDayCacheContext.php b/core/modules/config/tests/config_override_test/src/Cache/PirateDayCacheContext.php
index 80e6000..c4c0b96 100644
--- a/core/modules/config/tests/config_override_test/src/Cache/PirateDayCacheContext.php
+++ b/core/modules/config/tests/config_override_test/src/Cache/PirateDayCacheContext.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\config_override_test\Cache;
 
+use Drupal\Core\Cache\CacheableMetadata;
 use Drupal\Core\Cache\Context\CacheContextInterface;
 
 /**
@@ -49,4 +50,10 @@ public static function isPirateDay() {
     return !empty($GLOBALS['it_is_pirate_day']);
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheableMetadata() {
+    return new CacheableMetadata();
+  }
 }