[API reference](https://evolu.dev/docs/api-reference) › [@evolu/nodejs](https://evolu.dev/docs/api-reference/nodejs) › [TestOverviewReporter](https://evolu.dev/docs/api-reference/nodejs/TestOverviewReporter) › default

```ts
function default(source:
  | AsyncIterable<TestEvent, any, any>
| Iterable<TestEvent, any, any>): AsyncGenerator<string | Uint8Array<ArrayBufferLike>, void>;
```

Defined in: [packages/nodejs/src/TestOverviewReporter.ts:27](https://github.com/evoluhq/evolu/blob/ecbac001e0c18bbc45b44715f49ecc3a768c5ec9/packages/nodejs/src/TestOverviewReporter.ts#L27)

Lists test files slowest-first and preserves Node.js failure diagnostics, run
totals, and coverage output.

Durations longer than 300 ms are highlighted when terminal colors are
supported.