Adding some tests for MusicStore

It executes a set of scenarios:
1. Launches the app in Helios and navigates to the home page and verifies
2. Make a request to a protected resource and verifies that request is redirected to the login page
3. Registers a user with a dynamically generated user name and verifies the user is created and logged in by verifying the cookies and display name in the home page.
4. Go back to the StoreManager controller which requires a specific permission and verifies that still we are being redirected to Login page.
5. Logoff of the current user session and verify the user is logged off and cookie cleared.
6. Login this time with Administrator user who has permission to manage store and verify successfully logged in
7. Verify that this time the user can access the StoreManager controller
8. Create an album and verify that album is successfully created.
9. Logout of the app and verify.