API Integration Testing Suite

[TheFakeCreator]

Title: Build Comprehensive API Integration Test Suite

Description:
Expand our current test coverage to include full API integration testing with database interactions.

Acceptance Criteria:

• Create end-to-end API tests for all endpoints
• Add database seeding/cleanup for tests
• Implement performance testing for search endpoints
• Add security testing for authentication flows
• Create API contract testing
• Set up test data factories

Technical Details:

• Build on existing test setup in backend/src/tests/
• Use Supertest for HTTP testing
• Implement test database isolation

Files to Create/Modify:

• backend/src/tests/integration/ (new directory)
• backend/src/tests/factories/ (test data factories)
• Extend existing test files

Tags: testing backend integration infrastructure
Priority: High
Estimated Effort: 6-9 days