diff --git a/core/modules/views/tests/Drupal/views/Tests/Plugin/area/ResultTest.php b/core/modules/views/tests/Drupal/views/Tests/Plugin/area/ResultTest.php
index 17ec3fc..9de3a9b 100644
--- a/core/modules/views/tests/Drupal/views/Tests/Plugin/area/ResultTest.php
+++ b/core/modules/views/tests/Drupal/views/Tests/Plugin/area/ResultTest.php
@@ -11,6 +11,11 @@
 use Drupal\views\ViewExecutable;
 use Drupal\views\Plugin\views\area\Result;
 
+// @todo Remove this once the constant got converted.
+if (!defined('DRUPAL_CORE_COMPATIBILITY')) {
+  define('DRUPAL_CORE_COMPATIBILITY', '8.x');
+}
+
 /**
  * Tests the result area handler.
  *
@@ -43,7 +48,7 @@ public static function getInfo() {
   public function setUp() {
     parent::setUp();
 
-    $storage = $this->getMockBuilder('Drupal\views\Plugin\Core\Entity\View')
+    $storage = $this->getMockBuilder('Drupal\views\Entity\View')
       ->disableOriginalConstructor()
       ->setMethods(array('label'))
       ->getMock();
@@ -80,6 +85,8 @@ public function testQuery() {
    *   The content to use when rendering the handler.
    * @param string $expected
    *   The expected content string.
+   * @param int $items_per_page
+   *   The items per page of the configuration.
    *
    * @dataProvider providerTestResultArea
    */