def METHOD_NAME(
    decoy: Decoy,
    mock_geometry: ModuleGeometry,
    mock_sync_module_hardware: SynchronousAdapter[MagDeck],
    subject: LegacyMagneticModuleCore,
) -> None:
    """It should not double the labware's height if told to preserve half-mm."""
    decoy.when(mock_geometry.model).then_return(MagneticModuleModel.MAGNETIC_V1)
    decoy.when(
        mock_geometry.labware._core.get_default_magnet_engage_height(True)  # type: ignore[union-attr]
    ).then_return(32.0)
    subject.engage_to_labware(offset=10.0, preserve_half_mm=True)
    decoy.verify(mock_sync_module_hardware.engage(height=42.0), times=1)