diff --git a/extension/conftest.py b/extension/conftest.py
new file mode 100644
index 0000000000000000000000000000000000000000..71318107ba64fad2184029eb087a58ed8d837b3c
--- /dev/null
+++ b/extension/conftest.py
@@ -0,0 +1 @@
+pytest_plugins = ['reviewboard.testing.pytest_fixtures']