Testing

Decide what to verify across the test pyramid and triage flaky tests. The outer loop around tdd.

When to Use

When choosing what to verify, planning coverage for a change, or chasing a nondeterministic test.

Responsibilities

• Pick the right level for each risk: unit vs integration vs browser/e2e.
• Apply the pyramid — many fast unit tests, fewer integration, few e2e.
• Cover the meaningful paths: happy path, boundaries, error paths, regressions.
• Reserve browser/e2e coverage for critical user journeys only.
• Triage flaky tests: quarantine, root-cause, fix or delete.

Rules