def test_with_longer_strings(self):
     self.assertEqual(solution.count_substrings('either kill or be killed',
                                                'kill'),
                      2)
     self.assertEqual(solution.count_substrings("a beard doesn't make one" +
                                                " a philosopher",
                                                "yeaaap"),
                      0)

 def test_count_substrings(self):
     self.assertEqual(2, count_substrings("This is a test string", "is"))
 # 2
     self.assertEqual(2, count_substrings("babababa", "baba"))
     # 2
     self.assertEqual(
         4, count_substrings("Python is an awesome language to program in!", "o"))
     # 4
     self.assertEqual(
         0, count_substrings("We have nothing in common!", "really?"))
     # 0
     self.assertEqual(
         2, count_substrings("This is this and that is this", "this"))

 def test_count_substrings(self):
     self.assertEqual(2, solution.count_substrings("This is a test string", "is"))
     self.assertEqual(4, solution.count_substrings("Python is an awesome language to program in!", "o"))

 def test_with_two_digit_substring(self):
     self.assertEqual(2, solution.count_substrings("This is a test string", "is"))

 def test_with_no_matches(self):
     self.assertEqual(0, solution.count_substrings("We have nothing in common!", "really?"))

 def test_two(self):
     self.assertEqual(2, count_substrings("babababa", "baba"))

 def test_five(self):
     self.assertEqual(2, count_substrings("This is this and that is this", "this"))

 def test_three(self):
     self.assertEqual(4, count_substrings("Python is an awesome language to program in!", "o"))

 def test_capital_letters(self):
     self.assertTrue(solution.count_substrings("This is this and that is this", "this"))

 def testing_count_substring2(self):
     self.assertEqual(2, count_substrings("babababa", "baba"))

 def test_with_single_character_strings(self):
     self.assertEqual(solution.count_substrings('ala bala portokala', 'a'),
                      6)
     self.assertEqual(solution.count_substrings('yo', 'w'), 0)

 def test_does_not_count_overlapped_strings(self):
     self.assertEqual(solution.count_substrings('hahahahahahahahaha', 'ha'),
                      9)

 def test_takes_case_into_consideration(self):
     self.assertEqual(solution.count_substrings("This ain't this!", 'this'),
                      1)

	def test_count_substrings_3rd(self):
		self.assertEqual(4, solution.count_substrings("Python is an awesome language to program in!", "o"))

 def test_contains_string(self):
     self.assertTrue(solution.count_substrings("This is a test string", "is"))

 def test_does_not_contains_string(self):
     self.assertFalse(solution.count_substrings("We have nothing in common!", "really?"))

	def test_count_substrings_4(self):
		self.assertEqual(0, solution.count_substrings("We have nothing in common!", "really?"))

 def test_count_substrings(self):
     self.assertEqual(2,\
             solution.count_substrings("This is a test string", "is"))
     self.assertEqual(2,\
             solution.count_substrings("This is this and that is this",\
             "this"))

 def test_count_substrings_2(self):
     self.assertEqual(7, count_substrings("alalalkalallalllla", "a"))

 def test_four(self):
     self.assertEqual(0, count_substrings("We have nothing in common!", "really?"))