Appium Single Test Strategy:

When should you create single test suite for both iOS and Android testing?

• Responsive Web app testing for Mobile
• Native iOS/Android apps are identical

How to create STS?

• Initialize objects based on device platform
  • Two approach’s on determining device platform by sauce
• Use Page factory with POM  
  • Use annotations for identifiers in PO classes
  • See example provided by sauce
• Example: appium-cross-platform-example
• Blog on STS approach: appium-automation-with-one-script
• Medium article on using webdriver.io