Print out unfired function

Author: brianc

test/test-helper.js

@@ -139,7 +139,8 @@ var expect = function(callback, timeout) {
       "Expected execution of function to be fired within " + timeout
       + " milliseconds " +
       + " (hint: export TEST_TIMEOUT=<timeout in milliseconds>"
-      + " to change timeout globally)");
+      + " to change timeout globally)"
+      + callback.toString());
   }, timeout)
 
   if(callback.length < 3) {