Re-add test that updating user's github login doesn't invalidate api tokens
Re-add test that updating user's github login doesn't invalidate api tokens

rust-lang/crates.io,steveklabnik/crates.io,steveklabnik/crates.io,rust-lang/crates.io,steveklabnik/crates.io,rust-lang/crates.io,steveklabnik/crates.io,rust-lang/crates.io