fix(build): Remove improper char

Author: davideast

src/storage/FirebaseStorageDirective.js

@@ -1,4 +1,4 @@
-/* istanbul ignore next */g
+/* istanbul ignore next */
 (function () {
   "use strict";
 

tests/initialize.js

@@ -13,4 +13,4 @@ try {
   firebase.initializeApp(config);
 } catch (err) {
   console.log('Failed to initialize the Firebase SDK [web]:', err);
-}
+}