Issue #2367557 by mpdonadio: Fixed Update TestKernel to match class loader...

Issue #2367557 by mpdonadio: Fixed Update TestKernel to match class loader changes in Drupal Kernel.

core/lib/Drupal/Core/Test/TestKernel.php

@@ -9,7 +9,6 @@
 
 use Drupal\Core\DrupalKernel;
 use Symfony\Component\HttpFoundation\Request;
-use Composer\Autoload\ClassLoader;
 
 /**
  * Kernel to mock requests to test simpletest.
@@ -19,7 +18,7 @@ class TestKernel extends DrupalKernel {
   /**
    * {@inheritdoc}
    */
-  public static function createFromRequest(Request $request, ClassLoader $class_loader, $environment, $allow_dumping = TRUE) {
+  public static function createFromRequest(Request $request, $class_loader, $environment, $allow_dumping = TRUE) {
     // Include our bootstrap file.
     require_once __DIR__ . '/../../../../includes/bootstrap.inc';