commit 4da97b79749804081dd532a6f387dbab9f3ccf41
Author: Erik Stielstra <info@erikstielstra.nl>
Date:   Wed Aug 12 17:22:15 2015 +0200

    comment #3

diff --git a/core/modules/locale/src/Tests/LocaleUpdateNotDevelopmentReleaseTest.php b/core/modules/locale/src/Tests/LocaleUpdateNotDevelopmentReleaseTest.php
index 0763809..4319439 100644
--- a/core/modules/locale/src/Tests/LocaleUpdateNotDevelopmentReleaseTest.php
+++ b/core/modules/locale/src/Tests/LocaleUpdateNotDevelopmentReleaseTest.php
@@ -17,7 +17,7 @@
  */
 class LocaleUpdateNotDevelopmentReleaseTest extends WebTestBase {
 
-  public static $modules = array('update', 'locale', 'locale_test_not_development_release');
+  public static $modules = array('locale', 'locale_test_not_development_release');
 
   protected function setUp() {
     parent::setUp();
@@ -27,7 +27,15 @@ protected function setUp() {
     $this->drupalPostForm('admin/config/regional/language/add', array('predefined_langcode' => 'hu'), t('Add language'));
   }
 
-  public function testLocaleUpdateNotDevelopmentRelease() {
+  public function testLocaleUpdateWithoutUpdateModule() {
+    $projects = locale_translation_build_projects();
+    $this->verbose($projects['drupal']->info['version']);
+    $this->assertEqual($projects['drupal']->info['version'], '8.0.0-alpha102', 'The release number without the "-dev" will be used.');
+  }
+
+  public function testLocaleUpdateWithUpdateModule() {
+    \Drupal::getContainer()->get('module_installer')->install(array('update'));
+
     // Set available Drupal releases for test.
     $available = array(
       'title' => 'Drupal core',
@@ -80,4 +88,5 @@ public function testLocaleUpdateNotDevelopmentRelease() {
     $this->verbose($projects['drupal']->info['version']);
     $this->assertEqual($projects['drupal']->info['version'], '8.0.0-alpha110', 'The first release with the same major release number which is not a development release.');
   }
+
 }