chore(docs): Add Jest 28 jest-environment-jsdom information
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Add information about needing to install jest-environment-jsdom for Jest v28
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type: documentation
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jest-environment-jsdom information
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Add missing information about installation in the Testing React Components page.
Description
The documentation for Testing React Components has incomplete information about installation when using the latest version of Jest.
The documentation mentions that for Jest 27, you need to set the
testEnvironmentinjest.config.jstojsdom, in order for React Testing Library to work properly. However, Jest 28 removed the jest-environment-jsdom module, so you now need to install it separately if you are using Jest 28 or higher (as confirmed by the react-testing-library docs). As a result, if you are using Jest 28 and follow the installation instructions, you will get an error when you try to run your tests.This PR gives instructions to install the
jest-environment-jsdompackage separately if using Jest 28.