diff --git a/core/modules/rest/src/Tests/Views/StyleSerializerTest.php b/core/modules/rest/src/Tests/Views/StyleSerializerTest.php
index 6fe6c17a59..d73fe0b4e1 100644
--- a/core/modules/rest/src/Tests/Views/StyleSerializerTest.php
+++ b/core/modules/rest/src/Tests/Views/StyleSerializerTest.php
@@ -146,7 +146,7 @@ public function testSerializerResponses() {
     $this->assertIdentical($actual_json, (string) drupal_render_root($output), 'The expected JSON preview output was found.');
 
     // Test a 403 callback.
-    $this->drupalGet('test/serialize/denied');
+    $this->drupalGetJSON('test/serialize/denied');
     $this->assertResponse(403);
 
     // Test the entity rows.
diff --git a/core/modules/simpletest/src/WebTestBase.php b/core/modules/simpletest/src/WebTestBase.php
index 986410d197..c357ec1639 100644
--- a/core/modules/simpletest/src/WebTestBase.php
+++ b/core/modules/simpletest/src/WebTestBase.php
@@ -948,7 +948,7 @@ protected function drupalGetJSON($path, array $options = [], array $headers = []
    *   The result of the request.
    */
   protected function drupalGetWithFormat($path, $format, array $options = [], array $headers = []) {
-    $options += ['query' => ['_format' => $format]];
+    $options = array_merge_recursive(['query' => ['_format' => $format]], $options);
     return $this->drupalGet($path, $options, $headers);
   }
 
diff --git a/core/modules/views_ui/src/ViewListBuilder.php b/core/modules/views_ui/src/ViewListBuilder.php
index c6e3ef3179..fe947b1e9a 100644
--- a/core/modules/views_ui/src/ViewListBuilder.php
+++ b/core/modules/views_ui/src/ViewListBuilder.php
@@ -9,7 +9,6 @@
 use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Url;
 use Symfony\Component\DependencyInjection\ContainerInterface;
-use Symfony\Component\HttpKernel\Exception\NotAcceptableHttpException;
 
 /**
  * Defines a class to build a listing of view entities.