diff --git a/tests/TestSpeedTrap.php b/tests/TestSpeedTrap.php
index 78eb6f47711c51ed69df3ac4640f3dc4737e1dc1..87cf90ab2e94afb35646939a550ace8ec27a2e2a 100644
--- a/tests/TestSpeedTrap.php
+++ b/tests/TestSpeedTrap.php
@@ -106,6 +106,8 @@ END;
 
   public function addRiskyTest(PHPUnit_Framework_Test $test, Exception $e, $time) {}
 
+  public function addWarning(PHPUnit_Framework_Test $test, PHPUnit_Framework_Warning $e, $time) {}
+
 
   protected function collect($name, $speed) {
     $count = count(self::$_speed_trapped_test);