fixing warning

tests/conftest.py

@@ -30,7 +30,6 @@ def rsa_keys():
 @pytest.fixture
 def test_config(rsa_keys):
     certfile, keyfile = rsa_keys
-    with pytest.warns(DeprecationWarning):
     yield {
         "listeners": {
             "default": {"type": "tcp", "bind": "127.0.0.1:1883", "max_connections": 15},
@@ -94,6 +93,7 @@ def mock_plugin_manager():
 
 @pytest.fixture
 async def broker_fixture(test_config):
+    with pytest.warns(DeprecationWarning):
         broker = Broker(test_config, plugin_namespace="amqtt.test.plugins")
         await broker.start()
         assert broker.transitions.is_started()