From 13e6811ca3f2cf7aa3e6d8abc86a7d2ea2936123 Mon Sep 17 00:00:00 2001
From: Cobrand <cobrandw@gmail.com>
Date: Tue, 2 May 2017 08:12:17 +0200
Subject: [PATCH] Changed travis to test only one thread at a time

Error can happen if SDL is initialized twice in a row. Testing only one
test at a time ensures that this use-case can't happen.
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 205dfdb3..2c0b073d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,6 +34,7 @@ after_success:
 - travis-cargo --only stable doc-upload
 env:
   global:
+  - RUST_TEST_THREADS=1
   - TRAVIS_CARGO_NIGHTLY_FEATURE=""
   - LD_LIBRARY_PATH: "/usr/local/lib"
   - secure: MJhmVnQ2IM7+sVmc3vU4ndKOcQgLLeHUPW3qaQBQHKQmvoswCwQK60N17uSgWn1Ln8teqvSRHq4KclIjdMHI+VuQXJHQKHDgjcYbHxwmc3AM1Whnp0XB44ksKUmD109BGWSfZQxzF+6dA+YNOQ+mti+bpydMu8n2FMVjA/SXwQ8=