Use Xcode 11 as CI env

.travis.yml

@@ -1,8 +1,8 @@
 language: swift
 
 osx_image: 
-- xcode10.1
 - xcode10.3
+- xcode11.1
 
 env:
 - DESTINATION='platform=macOS' SWIFT_VERSION=5.0
@@ -21,14 +21,5 @@ before_install:
   - gem update --system
   - gem install bundler
 
-matrix:
-  exclude:
-  - osx_image: xcode10.1
-    env: DESTINATION='platform=macOS' SWIFT_VERSION=5.0
-  - osx_image: xcode10.1
-    env: DESTINATION='platform=iOS Simulator,name=iPhone 8' SWIFT_VERSION=5.0
-  - osx_image: xcode10.1
-    env: DESTINATION='platform=tvOS Simulator,name=Apple TV' SWIFT_VERSION=5.0
-
 script:
   - bundle exec fastlane test_ci