docs(troubleshooting.md): run non-headless on CI (#3353)
docs(troubleshooting.md): run non-headless on CI (#3353)

Fixes #3303.
GoogleChrome/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,GoogleChrome/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,GoogleChrome/puppeteer