Drop tmpdir from media_source tests (#92478)

tests/components/media_source/test_local_source.py

@@ -1,4 +1,5 @@
 """Test Local Media Source."""
+from collections.abc import AsyncGenerator
 from http import HTTPStatus
 import io
 from pathlib import Path
@@ -18,7 +19,7 @@ from tests.typing import ClientSessionGenerator, WebSocketGenerator
 
 
 @pytest.fixture
-async def temp_dir(hass):
+async def temp_dir(hass: HomeAssistant) -> AsyncGenerator[str, None]:
     """Return a temp dir."""
     with TemporaryDirectory() as tmpdirname:
         target_dir = Path(tmpdirname) / "another_subdir"
@@ -131,13 +132,13 @@ async def test_media_view(
 async def test_upload_view(
     hass: HomeAssistant,
     hass_client: ClientSessionGenerator,
-    temp_dir,
-    tmpdir,
+    temp_dir: str,
+    tmp_path: Path,
     hass_admin_user: MockUser,
 ) -> None:
     """Allow uploading media."""
     # We need a temp dir that's not under tempdir fixture
-    extra_media_dir = tmpdir
+    extra_media_dir = tmp_path
     hass.config.media_dirs["another_path"] = temp_dir
 
     img = (Path(__file__).parent.parent / "image_upload/logo.png").read_bytes()
@@ -246,7 +247,7 @@ async def test_upload_view(
 async def test_remove_file(
     hass: HomeAssistant,
     hass_ws_client: WebSocketGenerator,
-    temp_dir,
+    temp_dir: str,
     hass_admin_user: MockUser,
 ) -> None:
     """Allow uploading media."""