Test log in with one-time password

Set up an SSO account with two-factor authentication.
Run snapcraft logout
Run snapcraft login
Enter the email address.
Enter the password.
Enter the one-time password.
- Check that the log in was successful.

Test file ownership is retained

'snapcraft build' a simple snap
sudo touch install/test-owner-file
sudo chown nobody:nogroup install/test-owner-file
sudo snapcraft prime
ensure that prime/test-owner-file is owned by nobody and nogroup

Test stage package caching

snapcraft pull a snap that has parts with stage-packages.
Run snapcraft clean.
Verify there is cached apt data in ~/.cache/snapcraft/<hash>/
Run snapcraft pull again and notice the download is minimal.
Wipe the cached apt data.
Run snapcraft pull again and notice the download is as in 1..
Run this test again, but run snapcraft on a partition separated from $HOME.

Test cleanbuild with debug shell

Run snapcraft cleanbuild --debug for a snap.
Insert an error such that the code will fail to compile or mistype the name of an entry in stage-packages.
Run snapcraft cleanbuild --debug again.
Ensure you are dropped into a debug shell.
Exit the shell.
Ensure you are dropped back into your original shell session.