#create-react-app/1052 example

App.test.js.patch

diff --git a/packages/react-scripts/template/src/App.test.js b/packages/react-scripts/template/src/App.test.js
index b84af98..8cefbcf 100644
--- a/packages/react-scripts/template/src/App.test.js
+++ b/packages/react-scripts/template/src/App.test.js
@@ -3,6 +3,12 @@ import ReactDOM from 'react-dom';
 import App from './App';

 it('renders without crashing', () => {
+  const fn = ({ a, ...otherProps }) => otherProps;
+
+  fn({ a: 1, b: 2 });
+
+  console.log(fn({ a: 1, b: 2 }));
+
   const div = document.createElement('div');
   ReactDOM.render(<App />, div);
 });

stacktrace

 FAIL  src/App.test.js
  ● Test suite failed to run

    /Users/vesa/code/muut/create-react-app/packages/react-scripts/template/src/App.test.js:6
      const fn = ({ a, ...otherProps }) => otherProps;
                       ^^^
    SyntaxError: Unexpected token ...

      at transformAndBuildScript (../node_modules/jest/node_modules/jest-cli/node_modules/jest-runtime/build/transform.js:284:10)
      at process._tickCallback (../../../internal/process/next_tick.js:103:7)