Class that can add testIDs on both Android and iOS debug builds

testUtils.js

import {Platform} from 'react-native';

const getPlatformTestId = (id: string) =>
  Platform.OS === 'ios' ? {testID: id} : {accessible: true, accessibilityLabel: id};

/**
  * Adds a testID to the views on Android and iOS in their specific ways. On Android,
  * this will result in a ContentDescription on Debug builds (and no changes on live builds).
  */
const setTestID = (id : string) => 
  __DEV__ ? getPlatformTestId(id) : null;

export default setTestID;