def test_masked_data__insitu(self):
# Test that the error is raised in the right place.
with self.temp_filename(".nc") as nc_path:
saver = Saver(nc_path, "NETCDF4")
with self.assertRaisesRegex(ValueError, self.exp_emsg):
saver._create_generic_cf_array_var(self.cube, self.names_map,
self.cm)
