//! Wave 4 Integration Tests
//!
//! Comprehensive integration tests for multi-model training system.
//! Tests end-to-end workflows, database integration, gRPC APIs, real data, and failure recovery.

mod integration {
    pub mod end_to_end_batch_workflow_test;
    pub mod database_integration_test;
    pub mod grpc_api_integration_test;
    pub mod real_data_integration_test;
    pub mod failure_recovery_test;
}