use asyncmock from unittest library

tests/ahriman/conftest.py

@@ -42,22 +42,6 @@ def anyvar(cls: Type[T], strict: bool = False) -> T:
     return AnyVar()
 
 
-@pytest.helpers.register
-class AsyncMock(MagicMock):
-    """
-    async magic mock object
-    """
-
-    async def __call__(self, *args: Any, **kwargs: Any) -> Any:
-        """
-        async call function
-        :param args:
-        :param kwargs:
-        :return:
-        """
-        return MagicMock.__call__(self, *args, **kwargs)
-
-
 # generic fixtures
 @pytest.fixture
 def configuration(resource_path_root: Path) -> Configuration:

tests/ahriman/web/middlewares/test_exception_handler.py

@@ -4,6 +4,7 @@ import pytest
 from aiohttp.web_exceptions import HTTPBadRequest
 from pytest_mock import MockerFixture
 from typing import Any
+from unittest.mock import AsyncMock
 
 from ahriman.web.middlewares.exception_handler import exception_handler
 
@@ -12,7 +13,7 @@ async def test_exception_handler(aiohttp_request: Any, mocker: MockerFixture) ->
     """
     must pass success response
     """
-    request_handler = pytest.helpers.AsyncMock()
+    request_handler = AsyncMock()
     logging_mock = mocker.patch("logging.Logger.exception")
 
     handler = exception_handler(logging.getLogger())
@@ -24,7 +25,7 @@ async def test_exception_handler_client_error(aiohttp_request: Any, mocker: Mock
     """
     must pass client exception
     """
-    request_handler = pytest.helpers.AsyncMock()
+    request_handler = AsyncMock()
     request_handler.side_effect = HTTPBadRequest()
     logging_mock = mocker.patch("logging.Logger.exception")
 
@@ -38,7 +39,7 @@ async def test_exception_handler_server_error(aiohttp_request: Any, mocker: Mock
     """
     must log server exception and re-raise it
     """
-    request_handler = pytest.helpers.AsyncMock()
+    request_handler = AsyncMock()
     request_handler.side_effect = Exception()
     logging_mock = mocker.patch("logging.Logger.exception")