From c26839b08ef3db98d2fd8b0348779e74978d2463 Mon Sep 17 00:00:00 2001
From: MS Berends <31037261+msberends@users.noreply.github.com>
Date: Fri, 23 Mar 2018 14:59:50 +0100
Subject: [PATCH] Test on Linux and Mac

---
 .travis.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 17cf32dc..7a316275 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,10 @@
 language: r
 cache: packages
 
+os:
+  - linux
+  - osx
+
 r:
   - 3.2