Update Travis config to include 1.13 and osx

oschwald · oschwald · commit 63ce2a5f3d03 · 2019-09-10T19:51:07.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,15 +1,17 @@
 language: go
 
 go:
-  - 1.9
-  - "1.10"
-  - 1.11
-  - 1.12
+  - 1.9.x
+  - 1.10.x
+  - 1.11.x
+  - 1.12.x
+  - 1.13.x
   - tip
 
 os:
   - linux
   - linux-ppc64le
+  - osx
 
 matrix:
   allow_failures:
