diff --git a/core/tests/Drupal/Tests/Core/Breadcrumb/BreadcrumbManagerTest.php b/core/tests/Drupal/Tests/Core/Breadcrumb/BreadcrumbManagerTest.php
index 4e48755..b91460b 100644
--- a/core/tests/Drupal/Tests/Core/Breadcrumb/BreadcrumbManagerTest.php
+++ b/core/tests/Drupal/Tests/Core/Breadcrumb/BreadcrumbManagerTest.php
@@ -52,6 +52,11 @@ protected function setUp() {
    * Tests the breadcrumb manager without any set breadcrumb.
    */
   public function testBuildWithoutBuilder() {
+    $route_match = $this->getMock('Drupal\Core\Routing\RouteMatchInterface');
+    $this->moduleHandler->expects($this->once())
+      ->method('alter')
+      ->with('system_breadcrumb', $this->breadcrumb, $route_match, ['builder' => NULL]);
+
     $breadcrumb = $this->breadcrumbManager->build($this->getMock('Drupal\Core\Routing\RouteMatchInterface'));
     $this->assertEquals([], $breadcrumb->getLinks());
     $this->assertEquals([], $breadcrumb->getCacheContexts());