update .travis.yml https://docs.travis-ci.com/user/gui-and-headless-browsers/#using-xvfb-to-run-tests-that-require-a-gui
update .travis.yml https://docs.travis-ci.com/user/gui-and-headless-browsers/#using-xvfb-to-run-tests-that-require-a-gui

georgeOsdDev/react-anchorify-text,georgeOsdDev/react-anchorify-text