spec fixes

app/assets/javascripts/ide/services/index.js

@@ -16,7 +16,7 @@ export default {
       return Promise.resolve(file.content);
     }
 
-    if (file.raw !== undefined) {
+    if (file.raw) {
       return Promise.resolve(file.raw);
     }
 

app/assets/javascripts/ide/stores/utils.js

@@ -32,7 +32,7 @@ export const dataStructure = () => ({
   rawPath: '',
   binary: false,
   html: '',
-  raw: undefined,
+  raw: '',
   content: '',
   parentTreeUrl: '',
   renderError: false,