diff --git a/core/tests/Drupal/KernelTests/Core/Path/PathValidatorTest.php b/core/tests/Drupal/KernelTests/Core/Path/PathValidatorTest.php
index 34a7bdf000..1d1e275aec 100644
--- a/core/tests/Drupal/KernelTests/Core/Path/PathValidatorTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Path/PathValidatorTest.php
@@ -48,8 +48,8 @@ public function testGetUrlIfValidWithoutAccessCheck() {
       'PUT',
       'PATCH',
       'DELETE',
-      // NULL is used in CLI context which results in a request method of an
-      // empty string.
+      // Used in CLI context.
+      NULL,
       '',
       // If no request was even pushed onto the request stack, and hence.
       FALSE,
@@ -63,7 +63,9 @@ public function testGetUrlIfValidWithoutAccessCheck() {
         $this->container->set('router.request_context', new RequestContext());
       }
 
-      $requestContext->setMethod($method);
+      // The NULL value is used in CLI context which results in a request method
+      // of an empty string.
+      $requestContext->setMethod($method ?? '');
       /** @var \Drupal\Core\Url $url */
       $url = $pathValidator->getUrlIfValidWithoutAccessCheck($entity->toUrl()->toString(TRUE)->getGeneratedUrl());
       $this->assertEquals($method, $requestContext->getMethod());