Update docs on running e2e tests

mjbvz · mjbvz · commit 72fb3329a23b · 2017-10-09T18:30:27.000-07:00
diff --git a/README.md b/README.md
@@ -322,6 +322,7 @@ npm run compile
 And then run the end to end tests with the `e2e` script:
 
 ```bash
+(cd e2e && npm install)
 npm run e2e
 ```
 
