test_contain.py

from unittest import TestCase


class ListCheckTestCase(TestCase):

    def setUp(self):
        self.bad_lst = ['itsppyura', 'itsppoleg', 'dev']
        self.right_lst = ['itsppyura', 'itsppoleg']

    def test_contain_string_pass(self):

        for item in self.right_lst:
            self.assertTrue(item.startswith('itspp'))

    def test_contain_string_fail(self):

        for item in self.bad_lst:
            self.assertTrue(item.startswith('itspp'))