Travis CI fix

Author: Alex Rupérez

.travis.yml

@@ -2,7 +2,7 @@ language: swift
 osx_image: xcode8.3
 script:
 - xcodebuild -workspace Net.xcworkspace -scheme Example -destination "platform=iOS
-  Simulator,name=iPhone 7,OS=10.3" -configuration Debug -enableCodeCoverage YES clean
+  Simulator,name=iPhone 7,OS=10.3.1" -configuration Debug -enableCodeCoverage YES clean
   build test
 after_success:
 - bash <(curl -s https://codecov.io/bash)