react-native-mock-tmp-build/src/NativeModules/CameraRollManager.js

A fully mocked and test-friendly version of react native

const CameraRollManager = {
  saveImageWithTag(imageTag) {
    return Promise.resolve(['/asset/url']);
  },
  getPhotos(params) {
    return Promise.resolve([
      // TODO(lmr):
    ]);
  },
};

module.exports = CameraRollManager;