Fix tests of check_title

scripts/tests/test_validate_format.py

@@ -114,33 +114,14 @@ class TestValidadeFormat(unittest.TestCase):
 
             with self.subTest():
                 self.assertEqual(err_msg, ex_err_msg)
-
-    def test_check_title_return_type(self):
-        raw_title_1 = '[A](https://www.ex.com)'
-        raw_title_2 = '[A(https://www.ex.com)'
-        raw_title_3 = '[A API](https://www.ex.com)'
-
-        result_1 = check_title(0, raw_title_1)
-        result_2 = check_title(0, raw_title_2)
-        result_3 = check_title(0, raw_title_3)
-
-        self.assertIsInstance(result_1, list)
-        self.assertIsInstance(result_2, list)
-        self.assertIsInstance(result_3, list)
-
-        err_msg_1 = result_2[0]
-        err_msg_2 = result_3[0]
-
-        self.assertIsInstance(err_msg_1, str)
-        self.assertIsInstance(err_msg_2, str)
     
     def test_check_title_with_correct_title(self):
         raw_title = '[A](https://www.ex.com)'
 
         err_msgs = check_title(0, raw_title)
 
+        self.assertIsInstance(err_msgs, list)
         self.assertEqual(len(err_msgs), 0)
-        
         self.assertEqual(err_msgs, [])
 
     def test_check_title_with_markdown_syntax_incorrect(self):
@@ -148,6 +129,7 @@ class TestValidadeFormat(unittest.TestCase):
 
         err_msgs = check_title(0, raw_title)
 
+        self.assertIsInstance(err_msgs, list)
         self.assertEqual(len(err_msgs), 1)
         
         err_msg = err_msgs[0]
@@ -159,7 +141,8 @@ class TestValidadeFormat(unittest.TestCase):
         raw_title = '[A API](https://www.ex.com)'
 
         err_msgs = check_title(0, raw_title)
-
+        
+        self.assertIsInstance(err_msgs, list)
         self.assertEqual(len(err_msgs), 1)
         
         err_msg = err_msgs[0]