bad comma

Author: James Halliday

lib/test.js

@@ -103,7 +103,7 @@ Test.prototype._assert = function assert (ok, opts) {
         name : defined(extra.message, opts.message, '(unnamed assert)'),
         operator : defined(extra.operator, opts.operator),
         actual : defined(extra.actual, opts.actual),
-        expected : defined(extra.expected, opts.expected),
+        expected : defined(extra.expected, opts.expected)
     };
     this._ok = Boolean(this._ok && ok);