313e89d test_nfs.py: change pr-ci configuration to run on master_2repl_1client

Authored and Committed by François Cami 4 years ago
    test_nfs.py: change pr-ci configuration to run on master_2repl_1client
    
    Signed-off-by: François Cami <fcami@redhat.com>
    Reviewed-By: Armando Neto <abiagion@redhat.com>
    Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>