python3Packages.aioeafm: disable tests

All are async and not properly configured for pytest-asyncio.

pkgs/development/python-modules/aioeafm/default.nix

···
 
   dependencies = [ aiohttp ];
 
+  doCheck = false; # Failed: async def functions are not natively supported.
+
   nativeCheckInputs = [
     pytest-aiohttp
     pytestCheckHook