diff --git a/core/tests/Drupal/Tests/Core/Render/MetadataBubblingUrlGeneratorTest.php b/core/tests/Drupal/Tests/Core/Render/MetadataBubblingUrlGeneratorTest.php
index 9524b0d9..2cbc13c 100644
--- a/core/tests/Drupal/Tests/Core/Render/MetadataBubblingUrlGeneratorTest.php
+++ b/core/tests/Drupal/Tests/Core/Render/MetadataBubblingUrlGeneratorTest.php
@@ -5,6 +5,7 @@
 use Drupal\Core\Render\MetadataBubblingUrlGenerator;
 use Drupal\Core\Url;
 use Drupal\Tests\Core\Routing\UrlGeneratorTest;
+use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Confirm that the MetadataBubblingUrlGenerator is functioning properly.
@@ -33,7 +34,7 @@ protected function setUp() {
       ->method('hasRenderContext')
       ->willReturn(TRUE);
 
-    $this->generator = new MetadataBubblingUrlGenerator($this->generator, $this->renderer);
+    $this->generator = new MetadataBubblingUrlGenerator($this->generator, $this->renderer, $this->requestStack);
   }
 
   /**
@@ -50,9 +51,13 @@ protected function setUp() {
    *
    * @dataProvider providerUrlBubbleableMetadataBubbling
    */
-  public function testUrlBubbleableMetadataBubbling($collect_bubbleable_metadata, $invocations, array $options) {
+  public function testUrlBubbleableMetadataBubbling($collect_bubbleable_metadata, $invocations, $method, array $options) {
     $self = $this;
 
+    $request = Request::create('some/path');
+    $request->setMethod($method);
+    $this->requestStack->push($request);
+
     $this->renderer->expects($this->exactly($invocations))
       ->method('render')
       ->willReturnCallback(function ($build) use ($self) {
@@ -69,10 +74,14 @@ public function testUrlBubbleableMetadataBubbling($collect_bubbleable_metadata,
    */
   public function providerUrlBubbleableMetadataBubbling() {
     return [
-      // No bubbling when bubbleable metadata is collected.
-      [TRUE, 0, []],
-      // Bubbling when bubbleable metadata is not collected.
-      [FALSE, 1, []],
+      // No bubbling when bubbleable metadata is collected and safe method
+      [TRUE, 0, 'GET', []],
+      // Bubbling when bubbleable metadata is not collected and safe method
+      [FALSE, 1, 'GET', []],
+      // No bubbling when bubbleable metadata is collected and not safe method
+      [TRUE, 0, 'POST', []],
+      // No bubbling when bubbleable metadata is not collected and not safe method
+      [FALSE, 0, 'POST', []],
     ];
   }