fixing method signature of serialize()

diff --git a/tests/phpunit/includes/ContentHandlerTest.php b/tests/phpunit/includes/ContentHandlerTest.php
index 2a1c49c..1ea783f 100644 (file)
--- a/tests/phpunit/includes/ContentHandlerTest.php
+++ b/tests/phpunit/includes/ContentHandlerTest.php
@@ -220,7 +220,7 @@ class DummyContentForTesting extends Content {
                $this->data = $data;
        }
 
-       public function serialize() {
+       public function serialize( $format = null ) {
                return serialize( $this->data );
        }