diff --git a/core/modules/system/lib/Drupal/system/Tests/Routing/MatcherDumperTest.php b/core/modules/system/lib/Drupal/system/Tests/Routing/MatcherDumperTest.php
index 740d4a0..f15cf50 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Routing/MatcherDumperTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Routing/MatcherDumperTest.php
@@ -13,6 +13,7 @@
 use Drupal\simpletest\UnitTestBase;
 use Drupal\Core\Database\Database;
 use Drupal\Core\Routing\MatcherDumper;
+use Drupal\Tests\Core\Routing\RoutingFixtures;
 
 /**
  * Basic tests for the UrlMatcherDumper.
diff --git a/core/modules/system/lib/Drupal/system/Tests/Routing/RouteProviderTest.php b/core/modules/system/lib/Drupal/system/Tests/Routing/RouteProviderTest.php
index 1eafdf6..9282d06 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Routing/RouteProviderTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Routing/RouteProviderTest.php
@@ -17,6 +17,7 @@
 use Drupal\Core\Routing\RouteProvider;
 use Drupal\Core\Database\Database;
 use Drupal\Core\Routing\MatcherDumper;
+use Drupal\Tests\Core\Routing\RoutingFixtures;
 
 /**
  * Basic tests for the RouteProvider.