Rollback some changes from last commit

js/visualUI/functions.js

@@ -574,6 +574,8 @@ function runCodeAssessment () {
   runner.runTest().then(grade => {
     if (!is_iassign) {
       parent.getEvaluationCallback(grade);
+    } else {
+      is_iassign = false;
     }
   }).catch( err => domConsole.err(err.message));