From fba0c98de3293bd952d45bc7484427eb98f010f7 Mon Sep 17 00:00:00 2001
From: Matthew Butterick <mbutterick@users.noreply.github.com>
Date: Wed, 25 Oct 2017 21:04:13 -0700
Subject: [PATCH] Update .travis.yml

---
 .travis.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index b85be0f..83ebc2e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,6 +33,8 @@ matrix:
   fast_finish: true
 
 before_install:
+  - "export DISPLAY=:99.0" # needed for testing with `racket/gui`
+  - "sh -e /etc/init.d/xvfb start" # needed for testing with `racket/gui`
   - git clone https://github.com/mbutterick/travis-racket.git
   - cat travis-racket/install-racket.sh | bash # pipe to bash not sh!
   - export PATH="${RACKET_DIR}/bin:${PATH}" #install-racket.sh can't set for us