On-disk shape of tmp/.qunitx-last-failures.json.
import * as FailureCache from './failure-cache.ts'; const payload: FailureCache.FailureCachePayload = { browser: 'chromium', files: ['/proj/test/auth-test.ts'], tests: [{ file: 'test/auth-test.ts', module: 'auth', testName: 'logs in' }], };