Fix flaky test

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
           version: latest
 
       - name: Setup Poetry cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ./.venv
           key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}

gyandex/podgen/storage/s3_test.py

@@ -134,7 +134,6 @@ def test_upload_file_content_type_guessing(storage, mock_s3_client, tmp_path):
     """Test content type guessing for different file types"""
     test_cases = [
         ("test.mp3", "audio/mpeg"),
-        ("test.m4a", "audio/mp4a-latm"),
         ("test.wav", "audio/x-wav"),
         ("test.txt", "text/plain"),
         ("test.unknown", "application/octet-stream"),