Method constructor

lib/workers.js:213–218

* @param {Number} workerIndex - Unique ID for worker

(workerIndex)

   * @param {Number} workerIndex - Unique ID for worker
   */
  constructor(workerIndex) {
    this.workerIndex = workerIndex
    this.options = {}
    this.tests = []
    this.testRoot = getTestRoot()
  }

  addConfig(config) {
    const oldConfig = JSON.parse(this.options.override || '{}')