Rename device_storage_test.js

// FREEBIE

libtextsecure/test/index.html

@@ -36,7 +36,7 @@
   <script type="text/javascript" src="fake_api.js"></script>
   <script type="text/javascript" src="helpers_test.js"></script>
   <script type="text/javascript" src="storage_test.js"></script>
-  <script type="text/javascript" src="device_storage_test.js"></script>
+  <script type="text/javascript" src="protocol_wrapper_test.js"></script>
   <script type="text/javascript" src="contacts_parser_test.js"></script>
   <script type="text/javascript" src="generate_keys_test.js"></script>
   <script type="text/javascript" src="websocket-resources_test.js"></script>