Python orb and xvfb

Build Environment
1

I have a python app that needs xvfb; When try to run it in python orb:
I get:

Xvfb :99 -screen 0 1280x1024x24

_XSERVTransmkdir: ERROR: euid != 0,directory /tmp/.X11-unix will not be created.

2

Figured it out