- Add queuePhase tests (add to queue, emit event, include deps) - Add getNextDispatchablePhase tests (empty, no deps first, skip incomplete, oldest) - Add dispatchNextPhase tests (update status, emit event, remove from queue) - Add completePhase tests (update status, remove from queue, emit event) - Add blockPhase tests (update status, add to blocked, emit event) - Add dependency scenario test (diamond dependency pattern)