let pool = new FixedClusterPool(numberOfWorkers, workerFilePath)
expect(pool.opts.env).toBeUndefined()
expect(pool.opts.settings).toBeUndefined()
let pool = new FixedClusterPool(numberOfWorkers, workerFilePath)
expect(pool.opts.env).toBeUndefined()
expect(pool.opts.settings).toBeUndefined()