Replace test scripts to use demo

Author: jdnichollsc

.travis.yml

@@ -50,13 +50,13 @@ matrix:
         - android-wait-for-emulator
       before_install:
         - nvm install 10
-      script: cd src && npm run test.android
+      script: cd src && npm run demo.android
     - os: osx
       language: node_js
       node_js: "10"
       jdk: oraclejdk8
       osx_image: xcode10.2
-      script: cd src && npm run test.ios
+      script: cd src && npm run demo.ios
 
 android:
   components: