diff --git a/core/modules/system/lib/Drupal/system/Tests/Installer/DistributionProfileTest.php b/core/modules/system/lib/Drupal/system/Tests/Installer/DistributionProfileTest.php
index 66fae27..b544327 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Installer/DistributionProfileTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Installer/DistributionProfileTest.php
@@ -7,13 +7,13 @@
 
 namespace Drupal\system\Tests\Installer;
 
-use Drupal\system\Tests\InstallerTest;
+use Drupal\simpletest\InstallerTestBase;
 use Symfony\Component\Yaml\Yaml;
 
 /**
  * Tests the installer translation detection.
  */
-class DistributionProfileTest extends InstallerTest {
+class DistributionProfileTest extends InstallerTestBase {
 
   /**
    * The distribution profile info.
@@ -69,4 +69,14 @@ protected function setUpProfile() {
     // This step is skipped, because there is a distribution profile.
   }
 
+  /**
+   * Confirms that the installation succeeded.
+   */
+  public function testInstalled() {
+    $this->assertUrl('user/1');
+    $this->assertResponse(200);
+    // Confirm that we are logged-in after installation.
+    $this->assertText($this->root_user->getUsername());
+  }
+
 }