GConf-WARNING **: Client failed to connect to the D-BUS daemon: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11

Im getting the following error when I execute my build. Is it possible to run firefox headless in the CI ?

GConf-WARNING **: Client failed to connect to the D-BUS daemon: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11

github -> https://github.com/cmccarthyIrl/spring-cucumber-test-harness
travis -> https://travis-ci.org/github/cmccarthyIrl/spring-cucumber-test-harness/builds/731566044

Hello, there. Please take a look at our document on headless browser testing.

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