fix: Inject event_loop argument to fixtures that run in function scope loops.

Author: seifertm

pytest_asyncio/plugin.py

@@ -281,6 +281,11 @@ def _preprocess_async_fixtures(
             assert event_loop_fixture_id
             if "request" not in fixturedef.argnames:
                 fixturedef.argnames += ("request",)
+            if (
+                event_loop_fixture_id == "event_loop"
+                and "event_loop" not in fixturedef.argnames
+            ):
+                fixturedef.argnames += ("event_loop",)
             _synchronize_async_fixture(
                 fixturedef,
                 event_loop_fixture_name,