Following 'Core tutorial with QEMU' steps to setup ad hoc IMDS webserver to test -what is the username/password to login after following user-data example to login successfully?

# Bug report

## Steps to reproduce the problem

Following steps as per:

https://cloudinit.readthedocs.io/en/latest/tutorial/qemu.html

When set up user-data file to remake default user with password as 'password' does not function as expected.

Using this image and cloud-init in provided tutorial what is the expected user and password after the changes are made?

## Environment details
Default info as per https://cloudinit.readthedocs.io/en/latest/tutorial/qemu.html