If the migration is over before we cancel it, we are
waiting in a loop a state that never comes because the state
is already "completed".
To avoid an infinite loop, skip the test if the migration
is "completed" before we were able to cancel it.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-id: 20220329124259.355995-1-lvivier@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>