TestBackupAndRestoreWithReplica needs 2 replicas
The test case TestBackupAndRestoreWithReplica needs two replicas but
PR-CI just had topology: *master_1repl.
Fixes: https://pagure.io/freeipa/issue/7691
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>