diff --git a/okdmr/tests/dmrlib/protocols/mmdvm/test_mmdvm.py b/okdmr/tests/dmrlib/protocols/mmdvm/test_mmdvm.py
index 909a7a6..19bc014 100644
--- a/okdmr/tests/dmrlib/protocols/mmdvm/test_mmdvm.py
+++ b/okdmr/tests/dmrlib/protocols/mmdvm/test_mmdvm.py
@@ -1,13 +1,16 @@
 from asyncio import Queue
 from typing import Callable
 
+import pytest
+
 from okdmr.dmrlib.protocols.mmdvm.mmdvm_client_protocol import (
     MMDVMClientProtocol,
     MMDVMClientConfiguration,
 )
 
 
-def test_mmdvm_client():
+@pytest.mark.asyncio
+async def test_mmdvm_client():
     mock_config: MMDVMClientConfiguration = MMDVMClientConfiguration(
         # fill only required vars
         repeater_id=2309901,
diff --git a/pyproject.toml b/pyproject.toml
index 182ec24..1d8daf0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -117,3 +117,10 @@ fragments = [
 
 [tool.isort]
 profile = "black"
+
+[tool.pytest.ini_options]
+asyncio_default_fixture_loop_scope = "function"
+asyncio_mode = "strict"
+filterwarnings = [
+  'ignore:Unknown config option:pytest.PytestConfigWarning'
+]