react-native-mock-tmp-build/src/api/Keyboard.js

A fully mocked and test-friendly version of react native

const Keyboard = {
  addListener(eventname, handler) {
    return {
      remove: () => {}
    };
  },
  removeListener: () => {},
  removeAllListeners: () => {},
  dismiss: () => {}
};

module.exports = Keyboard;