def test_prepare_w_qual_field_data_with_depth(self):
observations = [{'obsid': 'obs1', 'date_time': datestring_to_date('2016-01-01 00:00'),
'parameter': 'par1', 'unit': 'unit1', 'staff': 'staff1', 'instrument': 'inst1',
'comment': 'comment1', 'value': '1.23', 'depth': '123.4'}]
test_string = create_test_string(FieldloggerImport.prepare_w_qual_field_data(observations))
reference_string = '[[obsid, staff, date_time, instrument, parameter, reading_num, reading_txt, unit, depth, comment], [obs1, staff1, 2016-01-01 00:00:00, inst1, par1, 1.23, 1.23, unit1, 123.4, comment1]]'
assert test_string == reference_string
