Run on macOS 10.12

bording · bording · commit 4acc222f689c · 2017-08-23T23:41:27.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,6 +5,7 @@ language: csharp
 dist: trusty
 dotnet: 2.0.0
 mono: none
+osx_image: xcode8.3
 
 os:
  - osx
