def METHOD_NAME(self):
    ft = WriteInputFromIOSet(molecule=self.co_mol, qchem_input_set="OptSet")
    ft.run_task({})
    test_dict = QCInput.from_file("mol.qin").as_dict()
    for k, v in self.co_opt_ref_in.as_dict().items():
        self.assertEqual(v, test_dict[k])