To get a better idea of how you build your web applications and where your skill level is at, I would like to see you build a web application using test data from https://jsonplaceholder.typicode.com/.

I would like you to complete this challenge using Vue.js

The application should:

-Make use of the users, posts, and comments data from the jsonplaceholder api to show a list of all the users.
-Each user should have a link to another page that displays all the posts that user has created.
-Those posts selectable to show the comments in them.
-You should also have navigation to return to the users page.
-Implement state management.
-Favorite/save posts to the store (Resets on page refresh).
-At least 1 automated test using Vue Test Utils

This should be completed as a single page application that does not refresh the browser when switching between pages.
No back-end code is necessary. Good programming practices should be used. Styling is a bonus.