code: function removeAppFolderItem(itemPath) {
    const resolvedFolderPath = path.join(path.resolve(tmp), 'src', 'app', itemPath);
    return fs.remove(resolvedFolderPath);
  }
docs: Remove specified file or directory and its contents if it exists in src/app folder
  -- Used for cleaning up after we've injected files for a specific test or group of tests