update tests/test_term_call_modes.py for TimeStepper ('ts') term argument
update tests/test_term_call_modes.py for TimeStepper ('ts') term argument

- update make_term_args()

rc/sfepy,vlukes/sfepy,lokik/sfepy,rc/sfepy,BubuLK/sfepy,vlukes/sfepy,BubuLK/sfepy,rc/sfepy,lokik/sfepy,lokik/sfepy,sfepy/sfepy,lokik/sfepy,sfepy/sfepy,vlukes/sfepy,sfepy/sfepy,BubuLK/sfepy