def METHOD_NAME(self):
    """Testing LexxDecorator."""
    lexx_deco = ideco.LexxDecorator({"Ni": 2})
    self.assert_msonable(lexx_deco)
    new_inp = lexx_deco(self.nio_ebands)
    new_inp.set_vars(chkprim=0, ecut=3, pawecutdg=3)
    print(new_inp)
    self.validate_inp(new_inp)
    #assert 0