diff -u b/core/tests/Drupal/KernelTests/Core/Routing/RouteProviderTest.php b/core/tests/Drupal/KernelTests/Core/Routing/RouteProviderTest.php
--- b/core/tests/Drupal/KernelTests/Core/Routing/RouteProviderTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Routing/RouteProviderTest.php
@@ -308,11 +308,10 @@
     $expected_route_count = count($sample_routes);
 
     $returned_routes = $provider->getAllRoutes();
-    $route_count = count($returned_routes);
 
     $this->assertEqual($expected_route_count, count($returned_routes));
 
-    foreach($returned_routes as $route_name=>$route) {
+    foreach ($returned_routes as $route_name=>$route) {
       $this->assertTrue(array_key_exists($route_name, $sample_routes));
       $this->assertEquals($route->getPath(), $sample_routes[$route_name]['path']);
     }