Align tests with writer options override rename

Update test fixtures and GUI recorder-manager assertions to use `writer_options_overrides` instead of `writer_options`. This keeps the fake recorder interface consistent with the current recorder API and ensures writegear option checks target the renamed field.

Author: C-Achard

tests/conftest.py

@@ -358,7 +358,7 @@ def __init__(
         crf=23,
         buffer_size=240,
         convert_grayscale_to_rgb=True,
-        writer_options=None,
+        writer_options_overrides=None,
         **kwargs,
     ):
         self.output = Path(output)
@@ -368,7 +368,7 @@ def __init__(
         self.crf = crf
         self.buffer_size = buffer_size
         self.convert_grayscale_to_rgb = convert_grayscale_to_rgb
-        self.writer_options = dict(writer_options) if writer_options is not None else None
+        self.writer_options_overrides = dict(writer_options_overrides) if writer_options_overrides is not None else None
         self.extra_kwargs = dict(kwargs)
 
         self.started = False

tests/gui/test_rec_manager.py

@@ -417,8 +417,9 @@ def test_start_all_passes_writegear_options(
         cam_id = get_camera_id(cam)
         rec = mgr.recorders[cam_id]
 
-        assert rec.writer_options is not None
-        assert rec.writer_options["-vcodec"] == "libx264"
-        assert rec.writer_options["-crf"] == "23"
-        assert rec.writer_options["-preset"] == "ultrafast"
-        assert rec.writer_options["-tune"] == "zerolatency"
+        opts_ovrr = rec.writer_options_overrides
+        assert opts_ovrr is not None
+        assert opts_ovrr["-vcodec"] == "libx264"
+        assert opts_ovrr["-crf"] == "23"
+        assert opts_ovrr["-preset"] == "ultrafast"
+        assert opts_ovrr["-tune"] == "zerolatency"