Load Testing K6 form mac os

install k6

$ brew install k6

make script.js

import http from 'k6/http';
import { check, sleep } from 'k6';

export const options = {
    vus: 10,
    duration: '30s',
};

export default function () {
    const res = http.get('https://test.k6.io');
    check(res, {
        'status was 200': (r) => r.status == 200,
    });
    sleep(1);
}

Run k6

$ k6 run script.js