ipatests: ensure that backup/restore restores pkcs 11 modules config file
In the test_backup_and_restore, add a new test:
- before backup, save the content of /etc/pkcs11/modules/softhsm2.module
- after restore, ensure the file is present with the same content.
Related: https://pagure.io/freeipa/issue/8073
Reviewed-By: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>