fixes #68. doh support was broken for testsuites with more than one testcase. I prevented the code from overwriting an existing testcase result

Author: henryqdineen

lib/hub/view/public/inject.js

@@ -390,7 +390,7 @@ window.$yetify = function (options) {
                 };
 
                 doh._groupStarted = function (group) {
-                    results[group] = {};
+                    results[group] = results[group] || {};
                 };
 
                 doh._groupFinished = function (group, success) {