'Test the _convert_date_time() method with 1904 date system.'

def test_convert_date_time_1904(self):

    self.worksheet.date_1904 = True
    self.worksheet.epoch = datetime.datetime(1904, 1, 1)
    for excel_date in self.excel_1904_dates:
        date = datetime.datetime.strptime(excel_date[0], '%Y-%m-%dT')
        got = self.worksheet._convert_date_time(date)
        exp = excel_date[1]
        self.assertEqual(got, exp)
