def METHOD_NAME():
    """Test that the same grid is used for U and V in 3D NEMO fields."""
    data_folder = download_example_dataset('NemoNorthSeaORCA025-N006_data')
    ufiles = sorted(glob(f'{data_folder}/ORCA*U.nc'))
    vfiles = sorted(glob(f'{data_folder}/ORCA*V.nc'))
    wfiles = sorted(glob(f'{data_folder}/ORCA*W.nc'))
    mesh_mask = f'{data_folder}/coordinates.nc'
    filenames = {'U': {'lon': mesh_mask, 'lat': mesh_mask, 'depth': wfiles[0], 'data': ufiles},
                 'V': {'lon': mesh_mask, 'lat': mesh_mask, 'depth': wfiles[0], 'data': vfiles},
                 'W': {'lon': mesh_mask, 'lat': mesh_mask, 'depth': wfiles[0], 'data': wfiles}}
    variables = {'U': 'uo',
                 'V': 'vo',
                 'W': 'wo'}
    dimensions = {'U': {'lon': 'glamf', 'lat': 'gphif', 'depth': 'depthw', 'time': 'time_counter'},
                  'V': {'lon': 'glamf', 'lat': 'gphif', 'depth': 'depthw', 'time': 'time_counter'},
                  'W': {'lon': 'glamf', 'lat': 'gphif', 'depth': 'depthw', 'time': 'time_counter'}}
    fieldset = FieldSet.from_nemo(filenames, variables, dimensions)
    assert fieldset.U.dataFiles is not fieldset.W.dataFiles