diff --git a/core/modules/system/lib/Drupal/system/Tests/InstallerTest.php b/core/modules/system/lib/Drupal/system/Tests/InstallerTest.php
index 747a5a1..24d25f8 100644
--- a/core/modules/system/lib/Drupal/system/Tests/InstallerTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/InstallerTest.php
@@ -23,6 +23,9 @@ public static function getInfo() {
     );
   }
 
+  /**
+   * {@inheritdoc}
+   */
   protected function setUp() {
     global $conf;
 
@@ -110,7 +113,7 @@ protected function setUp() {
   }
 
   /**
-   * Overrides \Drupal\simpletest\WebTestBase::refreshVariables().
+   * {@inheritdoc}
    *
    * During setup(), drupalPost calls refreshVariables() which tries to read
    * variables which are not yet there because the child Drupal is not yet
@@ -123,7 +126,7 @@ protected function refreshVariables() {
   }
 
   /**
-   * Overrides \Drupal\simpletest\WebTestBase::drupalGet().
+   * {@inheritdoc}
    *
    * This override is necessary because the parent drupalGet() calls t(), which
    * is not available early during installation.
@@ -145,12 +148,12 @@ protected function drupalGet($path, array $options = array(), array $headers = a
     return $out;
   }
 
-
   /**
    * Ensures that the user page is available after every test installation.
    */
-  function testInstaller() {
+  public function testInstaller() {
     $this->drupalGet('user');
+    $this->assertResponse(200);
   }
 
 }