app/assets/javascripts/konacha/parent.js in konacha-2.0.0.beta2 vs app/assets/javascripts/konacha/parent.js in konacha-2.0.0.beta3

@@ -2,10 +2,11 @@
   var iframes = document.getElementsByTagName('iframe');
   for (var i = 0; i < iframes.length; ++i) {
     if (!iframes[i].contentWindow.mocha) {
       (function (path) {
         mocha.suite.addTest(new Mocha.Test(path, function () {
-          throw new Error("Failed to load " + path + ". Perhaps it failed to compile?");
+          throw new Error("Failed to load " + path + ".\n" +
+                          "Perhaps it failed to compile? Check the rake output for errors.");
         }));
       })(iframes[i].getAttribute("data-path"));
     }
   }