message: Run browser tests in  band
diff: "main": "index.js",
  "private": true,
  "scripts": {
  - "start": "jest",
  - "start:window": "INTEGRATION_HEADLESS=false jest"
  + "start": "jest --runInBand",
  + "start:window": "INTEGRATION_HEADLESS=false jest --runInBand"
  },
  "dependencies": {
  "expect-puppeteer": "^4.3.0",
  