fix tests last t ime for real

Author: JoelYoung01

tests/test_cli.py

@@ -110,7 +110,10 @@ def test_dev_args() -> None:
                 "workers": None,
                 "root_path": "/api",
                 "proxy_headers": False,
-                "reload_dirs": "api,config",
+                "reload_dirs": [
+                    "api",
+                    "config",
+                ],
                 "log_config": get_uvicorn_log_config(),
             }
         assert "Using import string: single_file_app:api" in result.output