diff --git a/core/modules/views/lib/Drupal/views/Tests/Plugin/RelationshipJoinTestBase.php b/core/modules/views/lib/Drupal/views/Tests/Plugin/RelationshipJoinTestBase.php
new file mode 100644
index 0000000..63a9f23
--- /dev/null
+++ b/core/modules/views/lib/Drupal/views/Tests/Plugin/RelationshipJoinTestBase.php
@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\views\Tests\Plugin\RelationshipJoinTestBase.
+ */
+
+namespace Drupal\views\Tests\Plugin;
+
+/**
+ * Provies a base class for a testing a relationship.
+ *
+ * @see \Drupal\views\Tests\Handler\JoinTest
+ * @see \Drupal\views\Tests\Plugin\RelationshipTest
+ */
+abstract class RelationshipJoinTestBase extends PluginTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('user');
+
+  protected function setUp() {
+    parent::setUp();
+
+    $this->enableViewsTestModule();
+  }
+
+  /**
+   * Overrides \Drupal\views\Tests\ViewTestBase::schemaDefinition().
+   *
+   * Adds a uid column to test the relationships.
+   */
+  protected function schemaDefinition() {
+    $schema = parent::schemaDefinition();
+
+    $schema['views_test_data']['fields']['uid'] = array(
+      'description' => "The {users}.uid of the author of the beatle entry.",
+      'type' => 'int',
+      'unsigned' => TRUE,
+      'not null' => TRUE,
+      'default' => 0
+    );
+
+    return $schema;
+  }
+
+  /**
+   * Overrides \Drupal\views\Tests\ViewTestBase::viewsData().
+   *
+   * Adds a relationship for the uid column.
+   */
+  protected function viewsData() {
+    $data = parent::viewsData();
+    $data['views_test_data']['uid'] = array(
+      'title' => t('UID'),
+      'help' => t('The test data UID'),
+      'relationship' => array(
+        'id' => 'standard',
+        'base' => 'users',
+        'base field' => 'uid'
+      )
+    );
+
+    return $data;
+  }
+
+}