async function fastest_test(times, fn) {
	const results = [];
	for (let i = 0; i < times; i++) {
		const run = await run_tracked(fn);
		results.push(run);
	}
	const fastest = results.reduce((a, b) => (a.timing.time < b.timing.time ? a : b));

	return fastest;
}
@param {number} times
@param {() => void} fn