def METHOD_NAME(self):
    data = ["aknakka;1;3;4;5;6", "vesal;2;3"]
    fields = ["d1", "d2", "d3"]
    e1 = ["aknakka;d1;1;d2;3;d3;4", "vesal;d1;2;d2;3"]
    r1 = convert_data(data, fields, ";").to_tim_format()
    self.assertEqual(e1, r1, "Not same in CSV case")