# Testing Guide > **Status: stub — Phase 1 (structure).** Content to be written in Phase 2. > > **Scope:** Running and writing tests: unit, e2e, desktop, conformance. ## Outline - Test suites overview - Unit tests (cargo) - E2E tests (buzz-test-client) - Desktop tests (playwright) - Conformance (buzz-conformance) - CLI smoke-testing against a live relay ## Source material - `TESTING.md` §Automated Tests + CLI smoke sections - `CONTRIBUTING.md` §Running Tests - `desktop/playwright.config.ts`, `crates/buzz-conformance`