text: const wait = require('./wait');
  const process = require('process');
  const cp = require('child_process');
  const path = require('path');
  
  test('throws invalid number', async () => {
    await expect(wait('foo')).rejects.toThrow('milliseconds not a number');
  });
  
  test('wait 500 ms', async () => {
    const start = new Date();
    await wait(500);
    const end = new Date();
    var delta = Math.abs(end - start);
    expect(delta).toBeGreaterThanOrEqual(500);
  });
  
  // shows how the runner will run a javascript action with env / stdout protocol
  // test('test runs', () => {
  //   process.env['INPUT_MILLISECONDS'] = 500;
  //   const ip = path.join(__dirname, 'index.js');
  //   console.log(cp.execSync(`node ${ip}`, {env: process.env}).toString());
  // })
  