diff --git a/tests/conftest.py b/tests/conftest.py
index 1c5be83f6..c83c3f94b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -36,7 +36,7 @@ def app(app_params, make_app):
     """
     args, kwargs = app_params
     app_ = make_app(*args, **kwargs)
-    yield app_
+    return app_
 
 
 @pytest.fixture(scope='function')