function testTypingsInPackage() {
  clean();
  const packageName = 'moment';
  return lib
    .installTypes(packageName)
    .then(() => lib.convertTypesToKotlin(packageName, dest))
    .then(() => {
      if (fs.existsSync(path.resolve(__dirname, './build/moment.kt'))) {
        console.log('"Typing in package itself" test passed');
      } else {
        throw new Error('Result file was not found: ' + DIST_FILE_PATH);
      }
    });
}
Test package that has no typing in @type because it has types delivered with the package itself ("moment" does this)