React-native jest test给出了意外的令牌

失败：

● Test suite failed to run

C:/../react-native/jest/mockComponent.js: Unexpected token (20:23)

  Jest encountered an unexpected token
  This usually means that you are trying to import a file which Jest cannot parse,e.g. it's not plain JavaScript.
  By default,if Jest sees a Babel config,it will use that to transform your files,ignoring "node_modules".
  Here's what you can do:
   ? To have some of your "node_modules" files transformed,you can specify a custom "transformIgnorePatterns" in your config.
   ? If you need a custom transformation specify a "transform" option in your config.
   ? If you simply want to mock your non-JS modules (e.g. binary assets) you can stub them out with the "moduleNameMapper" config option.
  You'll find more details and examples of these config options in the docs:
  https://jestjs.io/docs/en/configuration.html
  Details:
    18 |
    19 |   const Component = class extends SuperClass {
  > 20 |     static displayName = 'Component';
       |                        ^
    21 |
    22 |     render() {
    23 |       const name =