Do you want to request a feature or report a bug?
Feature for spyOn to work with objects that have getters/setters on the prototype chain.

What is the current behavior?
Does not support spying on getters/setters on the object's prototype chain.

If the current behavior is a bug, please provide the steps to reproduce and
either a repl.it demo through https://repl.it/languages/jest or a minimal
repository on GitHub that we can yarn install and yarn test.
I have recreated this issue in this repl.
https://repl.it/@functionator/spyOn-getter

What is the expected behavior?
Should be able mock getters/setters on the object's prototype chain.

Please provide your exact Jest configuration and mention your Jest, node,
yarn/npm version and operating system.

jest: v22.1.0
npm: 5.6.0
node: v9.3.0
os: Mac High Sierra v10.13.3