1 files changed, 2 insertions, 2 deletions

diff --git a/tests/legacy/LegacyUpdaterTest.php b/tests/legacy/LegacyUpdaterTest.php
index acfac530..0ddcb4a6 100644
--- a/tests/legacy/LegacyUpdaterTest.php
+++ b/tests/legacy/LegacyUpdaterTest.php
@@ -20,7 +20,7 @@ require_once 'inc/rain.tpl.class.php';
  * Class UpdaterTest.
  * Runs unit tests against the updater class.
  */
-class LegacyUpdaterTest extends \PHPUnit\Framework\TestCase
+class LegacyUpdaterTest extends \Shaarli\TestCase
 {
     /**
      * @var string Path to test datastore.
@@ -725,7 +725,7 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
         $this->assertEquals(\Shaarli\Thumbnailer::MODE_ALL, $this->conf->get('thumbnails.mode'));
         $this->assertEquals(125, $this->conf->get('thumbnails.width'));
         $this->assertEquals(90, $this->conf->get('thumbnails.height'));
-        $this->assertContains('You have enabled or changed thumbnails', $_SESSION['warnings'][0]);
+        $this->assertContainsPolyfill('You have enabled or changed thumbnails', $_SESSION['warnings'][0]);
     }
 
     /**