Syntax error in tests

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/questiontype_test.php b/tests/questiontype_test.php
index 93e5294..745b7c1 100644
--- a/tests/questiontype_test.php
+++ b/tests/questiontype_test.php
@@ -79,7 +79,7 @@ class qtype_algebra_test extends advanced_testcase {
             $q->id => array(
                 13 => new question_possible_response('2*x', 1),
                 14 => new question_possible_response('x', 0.2),
-                null => question_possible_response::no_response()
+                null => question_possible_response::no_response(),
                 0 => new question_possible_response(get_string('didnotmatchanyanswer', 'question'), 0),
             ),
         ), $this->qtype->get_possible_responses($q));