diff -u b/src/Tests/MonitoringUITest.php b/src/Tests/MonitoringUITest.php
--- b/src/Tests/MonitoringUITest.php
+++ b/src/Tests/MonitoringUITest.php
@@ -184,9 +184,8 @@
       'id' => 'watchdog_sensor',
       'plugin_id' => 'watchdog_aggregator',
     ), t('Select sensor'));
-
     $this->drupalPostForm(NULL, array(), t('Save'));
-    $this->assertText(SafeMarkup::format('Sensor @label saved.', array('@label' => 'Watchdog Sensor')));
+    $this->assertText(t('Sensor Watchdog Sensor saved'));
   }
 
   /**