tests(user) drop a test case as API now returns an error
tests(user) drop a test case as API now returns an error

Updating username to the same name, previously returned a 200 OK
response but now returns 422.

Signed-off-by: Harry Bagdi <f34cc0759bf93a7897f4224dbf1aa937ff4ab45f@gmail.com>

hardikbagdi/go-unsplash,hardikbagdi/go-unsplash,hbagdi/go-unsplash