Does pytest have a teardown concept? Consider using it so these mark orders don't have to get increased if we ever had more than 30 actual tests. Maybe `@pytest.fixture` with a `finalizer`?

[jacalata]

Does pytest have a teardown concept? Consider using it so these mark orders don't have to get increased if we ever had more than 30 actual tests. Maybe @pytest.fixture with a finalizer?

Originally posted by @anyoung-tableau in https://github.com/tableau/tabcmd/pull/366#discussion_r2414530783

Same for setup