fix: ensure that headless-chrome tests run in all environments

fix: ensure that headless-chrome tests run in all environments

Bug with the Linux sandbox SUID can appear or not depending on the Kernel version on the runner. https://gist.github.com/ncoden/6e79cef6f62608fd9443ea2a601806bc

Using `no-sandbox` with chrome is generally not recommended for security reasons, but recommended in this case by Travis.

See:
* https://docs.travis-ci.com/user/chrome#Sandboxing
* https://github.com/travis-ci/travis-ci/issues/8836
* https://github.com/GoogleChrome/puppeteer/issues/515