def METHOD_NAME(self):
    # GIVEN
    ds = xr.Dataset({"pouet": self.pr_da})
    ds.to_netcdf(self.OUTPUT_NC_FILE)
    ds.rename({"pouet": "patapouet"}).to_netcdf(self.OUTPUT_NC_FILE_2)
    # WHEN
    ds_res = read_dataset([self.OUTPUT_NC_FILE, self.OUTPUT_NC_FILE_2])
    # THEN
    xr.testing.assert_equal(ds_res.pouet, ds.pouet)
    xr.testing.assert_equal(ds_res.patapouet, ds.pouet)