// Add documentation for the sync module
//! Sync Tests
//!
//! This module contains tests for CalDAV synchronization functionality,
//! including both traditional sync methods and WebDAV Sync (RFC 6578).
//!
//! ## Test Organization
//!
//! - `sync_tests.rs`: Core WebDAV Sync functionality tests
//! - `comparison_tests.rs`: Comparison between traditional and WebDAV sync methods