Use 11 Pro for tests

Author: fassko

.circleci/config.yml

@@ -28,7 +28,7 @@ jobs:
           command: |
             cd Demo
             pod install
-            xcodebuild -workspace 'Demo.xcworkspace' -scheme 'Demo' -configuration 'Debug' -sdk iphonesimulator -destination 'name=iPhone Xs' build test | xcpretty -c
+            xcodebuild -workspace 'Demo.xcworkspace' -scheme 'Demo' -configuration 'Debug' -sdk iphonesimulator -destination 'name=iPhone 11 Pro' build test | xcpretty -c
 
       - run:
           name: Pod lib lint