Issue #3042540 by claudiu.cristea, Lendude: Convert user...

Issue #3042540 by claudiu.cristea, Lendude: Convert user RelationshipRepresentativeNodeTest into a kernel test

core/modules/user/tests/src/Functional/Views/RelationshipRepresentativeNodeTest.php → core/modules/user/tests/src/Kernel/Views/RelationshipRepresentativeNodeTest.php

 <?php
 
-namespace Drupal\Tests\user\Functional\Views;
+namespace Drupal\Tests\user\Kernel\Views;
 
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\Tests\node\Traits\NodeCreationTrait;
+use Drupal\Tests\user\Traits\UserCreationTrait;
+use Drupal\views\Tests\ViewResultAssertionTrait;
+use Drupal\views\Tests\ViewTestData;
 use Drupal\views\Views;
 
 /**
@@ -9,7 +14,23 @@
  *
  * @group user
  */
-class RelationshipRepresentativeNodeTest extends UserTestBase {
+class RelationshipRepresentativeNodeTest extends KernelTestBase {
+
+  use NodeCreationTrait;
+  use UserCreationTrait;
+  use ViewResultAssertionTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'filter',
+    'node',
+    'system',
+    'user',
+    'user_test_views',
+    'views',
+  ];
 
   /**
    * Views used by this test.
@@ -22,17 +43,28 @@ class RelationshipRepresentativeNodeTest extends UserTestBase {
    * Tests the relationship.
    */
   public function testRelationship() {
+    $this->installSchema('system', ['sequences']);
+    $this->installEntitySchema('user');
+    $this->installEntitySchema('node');
+    $this->installConfig(['filter']);
+    ViewTestData::createTestViews(static::class, ['user_test_views']);
+
+    $users[] = $this->createUser([], NULL, FALSE, ['uid' => 2]);
+    $users[] = $this->createUser([], NULL, FALSE, ['uid' => 1]);
+    $nodes[] = $this->createNode(['uid' => $users[0]->id()]);
+    $nodes[] = $this->createNode(['uid' => $users[1]->id()]);
+
     $view = Views::getView('test_groupwise_user');
-    $this->executeView($view);
+    $view->preview();
     $map = ['node_field_data_users_field_data_nid' => 'nid', 'uid' => 'uid'];
     $expected_result = [
       [
-        'uid' => $this->users[1]->id(),
-        'nid' => $this->nodes[1]->id(),
+        'uid' => $users[1]->id(),
+        'nid' => $nodes[1]->id(),
       ],
       [
-        'uid' => $this->users[0]->id(),
-        'nid' => $this->nodes[0]->id(),
+        'uid' => $users[0]->id(),
+        'nid' => $nodes[0]->id(),
       ],
     ];
     $this->assertIdenticalResultset($view, $expected_result, $map);