candlepin/subscription-manager — pull request #840 by alikins (2013-12-05 19:05:08+00:00)
Title: Check for RHSM_DISPLAY before loading any modules.

if RHSM_DISPLAY is set to a display number, for example,
and offscreen vncserver, DISPLAY will be set to that
value for the tests, so any windows get displayed
there.