diff --git a/core/modules/rest/tests/src/Unit/RestViewsStyleSerializerTest.php b/core/modules/rest/tests/src/Unit/Plugin/views/style/SerializerTest.php
similarity index 72%
rename from core/modules/rest/tests/src/Unit/RestViewsStyleSerializerTest.php
rename to core/modules/rest/tests/src/Unit/Plugin/views/style/SerializerTest.php
index 2acc68e..468ee59 100644
--- a/core/modules/rest/tests/src/Unit/RestViewsStyleSerializerTest.php
+++ b/core/modules/rest/tests/src/Unit/Plugin/views/style/SerializerTest.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\rest\Unit\RestViewsStyleSerializerTest.
+ * Contains \Drupal\Tests\rest\Unit\Plugin\views\style\SerializerTest.
  */
 
 namespace Drupal\Tests\rest\Unit;
@@ -10,19 +10,19 @@
 use Drupal\rest\Plugin\views\display\RestExport;
 use Drupal\rest\Plugin\views\style\Serializer;
 use Drupal\Tests\UnitTestCase;
-use Drupal\views\Entity\View;
+use Drupal\views\ViewExecutable;
 use Symfony\Component\Serializer\SerializerInterface;
 
 /**
  * @coversDefaultClass \Drupal\rest\Plugin\views\style\Serializer
  * @group rest
  */
-class RestViewsStyleSerializerTest extends UnitTestCase {
+class SerializerTest extends UnitTestCase {
 
   /**
    * The View instance.
    *
-   * @var \Drupal\views\Entity\View|\PHPUnit_Framework_MockObject_MockObject
+   * @var \Drupal\views\ViewExecutable|\PHPUnit_Framework_MockObject_MockObject
    */
   protected $view;
 
@@ -40,10 +40,10 @@ protected function setUp() {
     parent::setUp();
 
 
-    $this->view = $this->getMock(View::class, array('initHandlers'), array(
-      array('id' => 'test_view'),
-      'view',
-    ));
+    $this->view = $this->getMockBuilder(ViewExecutable::class)
+      ->disableOriginalConstructor()
+      ->getMock();
+
     // Make the view result empty so we don't have to mock the row plugin render
     // call.
     $this->view->result = [];
@@ -65,18 +65,13 @@ protected function setUp() {
   public function testSerializerReceivesOptions() {
 
     $options = ['formats' => ['xml', 'json']];
-    $mock_serializer = $this->getMockBuilder(SerializerInterface::class)
-      ->disableOriginalConstructor()
-      ->getMock();
+    $mock_serializer = $this->prophesize(SerializerInterface::class);
 
     // This is the main expectation of the test. We want to make sure the
     // serializer options are passed to the SerializerInterface object.
-    $mock_serializer->expects($this->once())
-      ->method('serialize')
-      ->with([], 'json', ['views_style_options' => $options])
-      ->willReturn('');
+    $mock_serializer->serialize([], 'json', ['views_style_options' => $options])->willReturn('')->shouldBeCalled();
 
-    $view_serializer = new Serializer([], 'dummy_serializer', [], $mock_serializer, ['json', 'xml']);
+    $view_serializer = new Serializer([], 'dummy_serializer', [], $mock_serializer->reveal(), ['json', 'xml']);
     $view_serializer->options = $options;
     $view_serializer->view = $this->view;
     $view_serializer->displayHandler = $this->displayHandler;