Run FIAMDisplay CI on Xcode 11 (#3959)

Author: paulb777

.travis.yml

@@ -264,7 +264,6 @@ jobs:
         - travis_retry ./scripts/if_changed.sh ./scripts/build.sh $PROJECT $PLATFORM
 
     - stage: test
-      osx_image: xcode10.3
       env:
         - PROJECT=InAppMessagingDisplay PLATFORM=iOS METHOD=xcodebuild
       before_install:
@@ -273,7 +272,6 @@ jobs:
         - travis_retry ./scripts/if_changed.sh ./scripts/build.sh $PROJECT $PLATFORM
 
     - stage: test
-      osx_image: xcode10.3
       env:
         - PROJECT=InAppMessagingDisplay PLATFORM=iPad METHOD=xcodebuild
       before_install:

scripts/build.sh

@@ -92,10 +92,8 @@ function RunXcodebuild() {
   fi
 }
 
-# Remove each product when it moves up to Xcode 11
-if [[ $product == 'Firestore' || # #3949
-      $product == 'InAppMessagingDisplay' # #3948
-   ]]; then
+# Remove Firestore when it moves up to Xcode 11
+if [[ $product == 'Firestore' ]]; then # #3949
   ios_flags=(
     -sdk 'iphonesimulator'
     -destination 'platform=iOS Simulator,name=iPhone 7'