Tests for the user update action
init test
Successful edits: get the edit form to work
9.2.1 Requiring signed-in users
9.2.2 Requiring the right user - part 1
complete authorization
9.3.1 User index
9.3.2 Sample users
9.3.3 Pagination
9.4.1 Administrative users
9.4.2 The destroy action
A partial for the new and edit form fields.
A test for forwarding to the default page after friendly forwarding.