App.test.js fails due to React router

App.test.js.log

console.error node_modules/prop-types/checkPropTypes.js:19
    Warning: Failed context type: The context `router` is marked as required in `Switch`, but its value is `undefined`.
        in Switch (at App.js:11)
        in div (at AppLayout.js:7)
        in AppLayout (at App.js:10)
        in App (at App.test.js:7)
console.error node_modules/react-dom/cjs/react-dom.development.js:14389
  The above error occurred in the <Switch> component:
      in Switch (at App.js:11)
      in div (at AppLayout.js:7)
      in AppLayout (at App.js:10)
      in App (at App.test.js:7)

  Consider adding an error boundary to your tree to customize error handling behavior.
  Visit https://fb.me/react-error-boundaries to learn more about error boundaries.