Install xcpretty

Pedro Piñera · Pedro Piñera · commit a7b9bcc7f8e9 · 2018-12-26T15:31:41.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,6 +8,8 @@ matrix:
     - os: osx
       osx_image: xcode9.4
       xcode_scheme: ReactiveTask
+      before_script:
+        - gem install xcpretty
       script:
         - set -o pipefail && xcodebuild -workspace "$TRAVIS_XCODE_WORKSPACE" -scheme "$TRAVIS_XCODE_SCHEME" test | xcpretty
       env: JOB=Xcode9.4
