anchor.diff:      test_jun_pandas_to_json/1,
       test_jun_pandas_to_erl/1,
       test_jun_pandas_bad_call/1,
  -    test_jun_pandas_to_datetime/1]).
  +    test_jun_pandas_to_datetime/1,
  +    test_jun_pandas_read_sql/1]).
   
   all() ->
       [test_jun_pandas_read_csv,
  
positive.code:     {ok, {?SERIES, Series}} = jun_pandas:single_selection(Pid, DataFrame, 'age', []),
      {ok, SeriesDt} = jun_pandas:to_datetime(Pid, Series, []),
      ?assertMatch({?SERIES, _}, SeriesDt).
  
negative.code:      test_jun_pandas_to_json,
       test_jun_pandas_to_erl,
       test_jun_pandas_bad_call,
       test_jun_pandas_to_datetime,
       test_jun_pandas_read_sql].
  
  init_per_testcase(_, _Config) ->
      % for each case start a new worker
  