[travis] don't wait for mac build on PR check (#1611)

* 36

* 37

.travis.yml

@@ -56,12 +56,17 @@ matrix:
       before_install:
           - npm install -g yarn  # macOS xcode8 image doesn't natively support yarn yet
 
+  allow_failures:
+  - os: osx
+
+  fast_finish: true
+
 cache:
   yarn: true
 
 install:
   - PATH=$PATH:$HOME/.meteor && curl -L https://raw.githubusercontent.com/arunoda/travis-ci-meteor-packages/master/configure.sh | /bin/sh
-  - yarn global add gulp-cli meteor-build-client electron@1.3.5
+  - yarn global add gulp-cli meteor-build-client
   - yarn
 
 script: