diff --git a/core/modules/system/lib/Drupal/system/Tests/Installer/InstallerTranslationTest.php b/core/modules/system/lib/Drupal/system/Tests/Installer/InstallerTranslationTest.php
index 90ac157..3831a3d 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Installer/InstallerTranslationTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Installer/InstallerTranslationTest.php
@@ -11,14 +11,14 @@
 use Drupal\system\Tests\InstallerTest;
 
 /**
- * Tests installer translation detection.
+ * Tests the installer translation detection.
  */
 class InstallerTranslationTest extends InstallerTest {
 
   public static function getInfo() {
     return array(
-      'name' => 'Installer translation tests',
-      'description' => "Tests the installation UI's translations.",
+      'name' => 'Installer translation test',
+      'description' => 'Selects German as the installation language and verifies the following page is not in English.',
       'group' => 'Installer',
     );
   }
@@ -85,13 +85,18 @@ protected function setUp() {
     // Submit the installer with German language.
     $this->drupalPost($GLOBALS['base_url'] . '/core/install.php', array('langcode' => 'de'), 'Save and continue');
 
-    // On the following page where installation profile is being selected,
-    // the interface should be already translated.
-    $this->assertNoText('Set up database', '"Set up database" string successfully translated.');
-    $this->assertNoText('Save and continue', '"Save and continue" string successfully translated.');
+    // On the following page where installation profile is being selected the
+    // interface should be already translated, so there is no Save and continue
+    // button text anymore.
+    $this->assertNoText('Save and continue', '"Save and continue" string was not found.');
 
-    // Get the "Save and continue" submit button translated value from
-    // the translated interface.
+    // After this assertion all we needed to test is tested, but the test
+    // expects the installation to succeed. If the test would finish here, an
+    // exception would occur. That's why the full installation has to be
+    // finished in the further steps.
+
+    // Get the "Save and continue" submit button translated value from the
+    // translated interface.
     $submit_value = (string) current($this->xpath('//input[@type="submit"]/@value'));
 
     // Submit the minimal profile installation.