added front end tests

frontend/src/fileSender.js

@@ -117,7 +117,7 @@ class FileSender extends EventEmitter {
                 url: responseObj.url,
                 fileId: responseObj.id,
                 secretKey: keydata.k,
-                deleteToken: responseObj.uuid
+                deleteToken: responseObj.delete
               });
             }
           };

frontend/src/utils.js

@@ -7,7 +7,6 @@ function arrayToHex(iv) {
       hexStr += iv[i].toString(16);
     }
   }
-  window.hexStr = hexStr;
   return hexStr;
 }