# Headless Download Tests Run the full Rust suite: ```sh cd src-tauri cargo test --all-targets ``` Run the queue-manager harness when changing aria2 scheduling, concurrency, and retry behavior: ```sh cd src-tauri cargo test --test queue_manager -- --nocapture ``` Run the media metadata smoke test with an explicit URL when changing yt-dlp integration: ```sh cd src-tauri FIRELINK_LIVE_YOUTUBE_URL='https://www.youtube.com/watch?v=dQw4w9WgXcQ' \ cargo test filters_live_youtube_metadata_from_env --lib -- --ignored --nocapture ```