Merge pull request #418 from trevorwhealy/undefined_src_in_test_env

fix(test): prevent cannot find src of undefined err
diff --git a/player/js/module.js b/player/js/module.js
index 6724e6c..99cae5b 100644
--- a/player/js/module.js
+++ b/player/js/module.js
@@ -145,7 +145,7 @@
     if(standalone) {
         var scripts = document.getElementsByTagName('script');
         var index = scripts.length - 1;
-        var myScript = scripts[index];
+        var myScript = scripts[index] || { src: '' };
         var queryString = myScript.src.replace(/^[^\?]+\??/,'');
         renderer = getQueryVariable('renderer');
     }