Create Database Integration Tests

[atoosanasiri]

Description

Write integration tests that test database operations end-to-end with the application.

Tasks

• Set up test database environment
• Write integration tests for API endpoints with database
• Test complex workflows involving database
• Test database migrations
• Test data integrity across operations

Acceptance Criteria

• Integration test suite created
• API endpoints tested with database
• Complex workflows tested
• Migration tests passing
• Data integrity verified