basicAPIcall.js

import fetch from 'node-fetch'

usersList = [
  'user1',
  'user2',
  ...
  'usern',
]

Object.values(usersList).forEach((user) => {
  const url = 'https://api.github.com/users/' + user
  const resposne = fetch(url, {
    method: 'GET',
    headers: {},
  })
  assert.equal(response.statuscode, 200, 'API call failed for user ' + user)
})