diff --git a/tests/phpunit/calendar/calendar_test.php b/tests/phpunit/calendar/calendar_test.php
index 8c7e798..f4910b2 100644
--- a/tests/phpunit/calendar/calendar_test.php
+++ b/tests/phpunit/calendar/calendar_test.php
@@ -63,7 +63,7 @@ class calendar_test extends advanced_testcase {
             'description' => 'Description',
         ]);
         calendar::create(self::$outage);
-        $this->check_calendar(self::$outage);
+        $this->check_calendar();
     }
 
     /**
@@ -75,7 +75,7 @@ class calendar_test extends advanced_testcase {
 
         self::$outage->title = 'New Title';
         calendar::update(self::$outage);
-        $this->check_calendar(self::$outage);
+        $this->check_calendar();
     }
 
     /**