chore: add types to many unit tests (#463)

Author: JustinBeckwith

package.json

@@ -136,7 +136,6 @@
     "nyc": "^13.0.0",
     "power-assert": "^1.4.4",
     "prettier": "^1.7.0",
-    "prop-assign": "^1.0.0",
     "proxyquire": "^2.0.0",
     "source-map-support": "^0.5.6",
     "tmp": "^0.0.33",

src/index.ts

@@ -766,3 +766,4 @@ promisifyAll(Storage, {
 export {Storage};
 
 export {Bucket, File, Channel, AccessControlObject};
+export {Notification} from './notification';