Update Travis CI to use Xcode 9.3b

jseibert · jseibert · commit e7f0e5f10ce3 · 2018-04-03T17:49:59.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,7 +5,7 @@ matrix:
   include:
     - os: osx
       env: JOB=SwiftPM_OSX
-      osx_image: xcode9
+      osx_image: xcode9.3beta
     - os: linux
       env: JOB=SwiftPM_linux
       dist: trusty
