Fix behavior with pytest-asyncio 1.2.0 (#257)

(cherry picked from commit d749d0b)

Author: MeggyCal

setup.cfg

@@ -3,7 +3,7 @@ profile = black
 
 [tool:pytest]
 addopts = -vvv --cov-report=term-missing --cov=elastic_transport
-asyncio_default_fixture_loop_scope = "function"
+asyncio_default_fixture_loop_scope = function
 
 [coverage:report]
 omit =