diff --git a/nameko/testing/pytest.py b/nameko/testing/pytest.py
index <HASH>..<HASH> 100644
--- a/nameko/testing/pytest.py
+++ b/nameko/testing/pytest.py
@@ -53,6 +53,12 @@ def pytest_configure(config):
         logging.basicConfig(level=log_level, stream=sys.stderr)
 
 
+@pytest.fixture(autouse=True)
+def always_warn_for_deprecation():
+    import warnings
+    warnings.simplefilter('always', DeprecationWarning)
+
+
 @pytest.fixture
 def empty_config():
     from nameko.constants import AMQP_URI_CONFIG_KEY
diff --git a/test/test_container.py b/test/test_container.py
index <HASH>..<HASH> 100644
--- a/test/test_container.py
+++ b/test/test_container.py
@@ -121,11 +121,6 @@ def logger():
         yield patched
 
 
-@pytest.fixture(autouse=True)
-def always_warn():
-    warnings.simplefilter('always')
-
-
 def test_collects_extensions(container):
     assert len(container.extensions) == 4
     assert container.extensions == (
always warn for deprecationwarnings