diff --git a/bot.py b/bot.py
index 3e329a2..d21e819 100755
--- a/bot.py
+++ b/bot.py
@@ -7,7 +7,6 @@ from disnake import OptionType, Option, Localized, ApplicationCommandInteraction
 from disnake.ext.commands import Bot, is_owner
 from dotenv import load_dotenv
 
-from __init__ import __version__ as ver
 from lib.CogsPrep import work_with_cogs, cog_list
 from lib.Comands import determine_prefix
 from lib.Logger import logger
@@ -45,7 +44,6 @@ async def on_ready():
     logger.info('Bot started')
     logger.info(f'Disnake version {__version__}')
     logger.info(f'We have logged in as {bot.user}')
-    logger.info(f'Version of bot is - v{ver}')
 
 
 @bot.slash_command(
diff --git a/lib/CogsPrep.py b/lib/CogsPrep.py
index 05283f6..3c6e9aa 100644
--- a/lib/CogsPrep.py
+++ b/lib/CogsPrep.py
@@ -8,6 +8,8 @@ work_with_cogs: loads, reloads and unloads cogs files
 """
 from os import listdir, rename
 
+from disnake.ext.commands import Bot
+
 from .Logger import logger
 
 
@@ -19,13 +21,15 @@ async def cog_list(fold: str = './cogs') -> list:
     return cogs_list
 
 
-async def work_with_cogs(what_do, bot, cog):
+async def work_with_cogs(what_do: str,
+                         bot: Bot,
+                         cog: str | list):
     if isinstance(cog, str):
         cog = cog.split()
     for _filename in cog:
-        if what_do == "lad":
+        if what_do == "load":
             bot.load_extension(f'cogs.{_filename}')
-            logger.info(f'Loaded cog {_filename}')
+            logger.info(f'Cog {_filename} loaded')
         elif what_do == 'unload':
             bot.unload_extension(f'cogs.{_filename}')
             logger.info(f'Cog {_filename} unloaded')
@@ -34,8 +38,11 @@ async def work_with_cogs(what_do, bot, cog):
             logger.info(f'Cog {_filename} reloaded')
         elif what_do == 'disable':
             bot.unload_extension(f'cogs.{_filename}')
+            rename(f'cogs/{_filename}.py',
+                   f'cogs/disabled/{_filename}.py')
             logger.info(f'Cog {_filename} stopped and disabled')
         elif what_do == 'enable':
-            rename(f'cogs/disabled/{_filename}.py', f'cogs/{_filename}.py')
+            rename(f'cogs/disabled/{_filename}.py',
+                   f'cogs/{_filename}.py')
             bot.load_extension(f'cogs.{_filename}')
             logger.info(f'Cog {_filename} started and enabled')
diff --git a/tests/test_bot.py b/tests/test_bot.py
index 2059b15..77f6b4f 100644
--- a/tests/test_bot.py
+++ b/tests/test_bot.py
@@ -1,9 +1,6 @@
-import tracemalloc
-
 from disnake import Intents
 from disnake.ext import commands
 
-tracemalloc.start()
 
 intents = Intents(messages=True,
                   message_content=True,
diff --git a/tests/test_lib_Cog.py b/tests/test_lib_Cog.py
index 46e23d5..ef0ab6c 100644
--- a/tests/test_lib_Cog.py
+++ b/tests/test_lib_Cog.py
@@ -1,70 +1,29 @@
-import asyncio
-import inspect
-import os
-import tracemalloc
-from unittest.mock import AsyncMock, patch
-
 import pytest
-from disnake.ext import commands
+from disnake.ext.commands import Bot
+from mock import mock
 
-from ..lib.Logger import logger
-
-tracemalloc.start()
-
-pytest_plugins = ('pytest_asyncio',)
-
-
-def asyncio_run(async_func):
-    def wrapper(*args, **kwargs):
-        return asyncio.run(async_func(*args, **kwargs))
-
-    wrapper.__signature__ = inspect.signature(async_func)  # without this, fixtures are not injected
-
-    return wrapper
-
-
-absolute_path = os.path.dirname(__file__)
-relative_path = "../cogs"
-full_path = os.path.join(absolute_path, relative_path)
-return_value = ['cog1', 'cog2']
-
-bot = commands.InteractionBot()
-logger = logger
-
-
-@pytest.fixture(params=['cog1', 'cog2'])
-def mock_cog_list(mocker):
-    async_mock = AsyncMock()
-    mocker.patch('discord_bot.lib.CogsPrep.cog_list', return_value=async_mock)
-    return async_mock
-
-
-@pytest.fixture(params=['load',
-                        'unload',
-                        'reload',
-                        'enable',
-                        'disable'])
-def mock_work_with_cogs(mocker, mock_cog_list):
-    mock_cog_list.return_value = return_value
-    result = asyncio.run(mock_cog_list(full_path))
-
-    async_mock = AsyncMock()
-    mocker.patch('discord_bot.lib.CogsPrep.work_with_cogs', params=async_mock)
-    return async_mock
+from ..lib.CogsPrep import cog_list, work_with_cogs
 
 
 @pytest.mark.asyncio
+@mock.patch('discord_bot.lib.CogsPrep.cog_list')
 async def test_cog_list(mock_cog_list):
-    # Assuming there are two .py files in the folder
-    mock_cog_list.return_value = return_value
-    result = await mock_cog_list(full_path)
-    assert result == return_value
+    with mock.patch('discord_bot.lib.CogsPrep.listdir') as MockClass:
+        MockClass.return_value = ['cog1.py', 'cog2.py']
+        result = await cog_list()
+        assert result == ['cog1', 'cog2']
 
 
-@patch('discord_bot.lib.CogsPrep.work_with_cogs', return_value=return_value)
+# @pytest.mark.skip(reason=None)
+
 @pytest.mark.asyncio
-async def test_work_with_cogs(mock_work_with_cogs):
-    var = mock_work_with_cogs
-    result = await mock_work_with_cogs()
-    # Check if the logger was called once with a message indicating that cog1 has been loaded
-    assert result
+@pytest.mark.parametrize("cog", ["cog1.py", "cog2"])
+@pytest.mark.parametrize("what_do", ['load', 'unload', 'reload', 'disable', 'enable'])
+async def test_work_with_cogs(what_do, cog):
+    mock_logger = mock.MagicMock()
+    with mock.patch('discord_bot.lib.CogsPrep.logger.info') as mocked_logger:
+        mock_bot = mock.MagicMock(spec=Bot)
+        with mock.patch('discord_bot.lib.CogsPrep.rename') as mock_rename:
+            mock_rename.return_value = True
+            result = await work_with_cogs(what_do, mock_bot, cog)
+            assert len(mocked_logger.call_args_list) == 1, f"Not listed what_do {what_do}"