Adapt template tests to shared output probing

tests/test_templates.py

@@ -15,6 +15,17 @@ from app.templates.registry import TemplateRegistry
 from app.templates.validator import TemplateValidator
 from main import create_app
 
+
+async def fake_audio_output_probe(path: Path):
+    return {
+        "duration": 1.0,
+        "container": "mp3",
+        "video_streams": [],
+        "audio_streams": [{"codec": "mp3"}],
+        "resolution": None,
+    }
+
+
 EXPECTED_CATEGORIES = {
     "branding",
     "conversion",
@@ -208,6 +219,7 @@ async def test_template_executor_calls_existing_operation(settings, tmp_path, mo
         output.write_bytes(b"ID3-template-output")
 
     monkeypatch.setattr(container.processor, "probe_inputs", fake_probe)
+    monkeypatch.setattr(container.processor.ffprobe, "probe", fake_audio_output_probe)
     monkeypatch.setattr(container.ffmpeg, "run", fake_ffmpeg)
     resolved = ResolvedRequest(
         request_id="5fdbe750-4cb7-4f87-aa5c-3df50c3a6629",
@@ -254,6 +266,7 @@ def test_template_rest_endpoints_and_nested_input(settings, monkeypatch) -> None
         output.write_bytes(b"ID3-rest-template")
 
     monkeypatch.setattr(container.processor, "probe_inputs", fake_probe)
+    monkeypatch.setattr(container.processor.ffprobe, "probe", fake_audio_output_probe)
     monkeypatch.setattr(container.ffmpeg, "run", fake_ffmpeg)
 
     with TestClient(application) as client: