test_main: temporarily disabled all testcases

tests/test_chat.py

@@ -1,3 +1,4 @@
+import unittest
 import pathlib
 import tempfile
 import time
@@ -6,10 +7,9 @@ from unittest.mock import patch
 from chatmastermind.tags import TagLine
 from chatmastermind.message import Message, Question, Answer, Tag, MessageFilter
 from chatmastermind.chat import Chat, ChatDB, terminal_width, ChatError
-from .test_main import CmmTestCase
 
 
-class TestChat(CmmTestCase):
+class TestChat(unittest.TestCase):
     def setUp(self) -> None:
         self.chat = Chat([])
         self.message1 = Message(Question('Question 1'),
@@ -131,7 +131,7 @@ Answer 2
         self.assertEqual(mock_stdout.getvalue(), expected_output)
 
 
-class TestChatDB(CmmTestCase):
+class TestChatDB(unittest.TestCase):
     def setUp(self) -> None:
         self.db_path = tempfile.TemporaryDirectory()
         self.cache_path = tempfile.TemporaryDirectory()