Timeout tests for Google Cloud Functions

timeouts.js

 // timeout tests
let times = [];
let n_times = 5;
let cnt = 0;
for (let i = 0; i < n_times; i++) {
  setTimeout(() => {
    const myI = i;
    const now = Date.now();
    times[myI] = now;
    cnt++;
    if (cnt == n_times) {
      for (let j = 1; j < n_times; j++) {
        console.log(times[j] - times[j - 1]);
      }
    }
  }, i * 200);
}