Adding CustomALerts to API not to call for Integration tests.

tests/PHPUnit/IntegrationTestCase.php

@@ -272,7 +272,8 @@ abstract class IntegrationTestCase extends PHPUnit_Framework_TestCase
         'SegmentEditor',
         'UserCountry.getLocationFromIP',
         'Dashboard',
-        'ExamplePluginTemplate'
+        'ExamplePluginTemplate',
+        'CustomAlerts'
     );
 
     const DEFAULT_USER_PASSWORD = 'nopass';