From 5ee0657748d6bf8e3ea2c73e97c49dbab3503d1e Mon Sep 17 00:00:00 2001
From: Zachary Ware <zachary.ware@gmail.com>
Date: Wed, 11 Jul 2018 14:09:58 -0500
Subject: [PATCH] [2.7] Enable GUI testing on Travis Linux builds via Xvfb
 (GH-7887). (cherry picked from commit
 b12112b5ba608cdd7a0962a6b18cad4fe58b46e6)

Co-authored-by: Zachary Ware <zachary.ware@gmail.com>
---
 .travis.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 695b5a7d81a569..7e1c2ef8756ed1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,6 +31,10 @@ matrix:
       # compiler here and the other to run the coverage build. Clang is preferred
       # in this instance for its better error messages.
       env: TESTING=cpython
+      addons:
+        apt:
+          packages:
+            - xvfb
     - os: linux
       language: python
       python: 2.7
@@ -91,7 +95,7 @@ script:
   # Check that all symbols exported by libpython start with "Py" or "_Py"
   - make smelly
   # `-r -w` implicitly provided through `make buildbottest`.
-  - make buildbottest TESTOPTS="-j4 -uall,-cpu"
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then XVFB_RUN=xvfb-run; fi; $XVFB_RUN make buildbottest TESTOPTS="-j4 -uall,-cpu"
 
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