karma disconnect failure EE master

Job #182163642 failed for 2a39c5b1:

Tried to fix in https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/10363 but nothing worked, have to sign off

22 03 2019 02:45:57.342:WARN [Chrome]: Disconnected (1 times)reconnect failed before timeout of 2000ms
Chrome ERROR
  Disconnectedreconnect failed before timeout of 2000ms
Chrome ERROR
  Disconnectedreconnect failed before timeout of 2000ms
Edited by Luke Bennett