Increase sleep on async relational query test

Author: Archmonger

tests/test_app/components.py

@@ -223,7 +223,7 @@ async def async_get_or_create_relational_parent():
 async def async_get_relational_parent_query():
     # Sleep to avoid race conditions in the test
     # Also serves as a good way of testing whether things are truly async
-    await asyncio.sleep(2)
+    await asyncio.sleep(3)
     return await async_get_or_create_relational_parent()