Function waitFor

test/http2-dispatcher.js:699–708

(fn)

  let abortRequest = null

  const waitFor = async (fn) => {
    for (let i = 0; i < 100; i++) {
      const value = fn()
      if (value != null) {
        return value
      }
      await sleep(10)
    }
    throw new Error('timed out waiting for h2 request stream')
  }

  const responseError = new Promise(resolve => {
    client.dispatch({