Mobile Testing Examples

Write a WebdriverIO/Appium test file for Android using @wdio/globals.
The test should:
1. Verify the home screen loads and a title element (~AppTitle) is visible
2. Add a new task by clicking ~AddTaskButton, filling an input, saving, and verifying it appears in the list
3. Mark a task as complete by clicking its checkbox

Use describe/it blocks with mocha syntax.
Use async/await throughout.

Write a WebdriverIO/Appium test file for iOS using @wdio/globals.
The test should:
1. Verify a Calculator app display (~Display) is visible on launch
2. Perform a basic addition: 2 + 3 = 5, verify the display shows '5'
3. Clear the display with the ~AC button and verify it shows '0'

Use describe/it blocks with mocha syntax.
Use async/await throughout.

Write a WebdriverIO test file for testing a mobile web app at https://example-shop.com/products.
The test should:
1. Verify the product grid ([data-testid="product-grid"]) is displayed
2. Click the first product card and verify the product title and add-to-cart button are visible
3. Verify the mobile hamburger menu button is visible and opens the nav when clicked

Use describe/it blocks. Use async/await throughout.

Create a wdio.conf.ts that runs tests on both Android and iOS simultaneously using maxInstances: 2.
Include:
- Android capability: UiAutomator2, emulator-5554, an APK at apps/MyApp.apk
- iOS capability: XCUITest, iPhone 15, platformVersion 17.0, a .app at apps/MyApp.app
- TestRelicService with screenshotOnEvery: 'failure'
- TestRelicReporter writing to ./test-results/cross-platform-timeline.json
- onComplete hook calling TestRelicReporter.finalize()
Show me the complete config.