--- /dev/null
+<?php
+
+namespace Drupal\Tests\user\Kernel;
+
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Tests user_install().
+ *
+ * @group user
+ */
+class UserInstallTest extends KernelTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['user'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+ $this->container->get('module_handler')->loadInclude('user', 'install');
+ $this->installEntitySchema('user');
+ user_install();
+ }
+
+
+ /**
+ * Test that the initial users have correct values.
+ */
+ public function testUserInstall() {
+ $result = db_query('SELECT u.uid, u.uuid, u.langcode, uf.status FROM {users} u INNER JOIN {users_field_data} uf ON u.uid=uf.uid ORDER BY u.uid')
+ ->fetchAllAssoc('uid');
+ $anon = $result[0];
+ $admin = $result[1];
+ $this->assertFalse(empty($anon->uuid), 'Anon user has a UUID');
+ $this->assertFalse(empty($admin->uuid), 'Admin user has a UUID');
+
+ // Test that the anonymous and administrators languages are equal to the
+ // site's default language.
+ $this->assertEqual($anon->langcode, \Drupal::languageManager()->getDefaultLanguage()->getId());
+ $this->assertEqual($admin->langcode, \Drupal::languageManager()->getDefaultLanguage()->getId());
+
+ // Test that the administrator is active.
+ $this->assertEqual($admin->status, 1);
+ // Test that the anonymous user is blocked.
+ $this->assertEqual($anon->status, 0);
+ }
+
+}