Use Jest Projects to run both JSDom and Node tests in the same project

jest.config.js

module.exports = {
  projects: [
    {
      displayName: 'dom',
      testEnvironment: 'jsdom',
      snapshotSerializers: ['enzyme-to-json/serializer'],
      testMatch: ['**/__tests__/**/*.test.js?(x)']
    },
    {
      displayName: 'node',
      testEnvironment: 'node',
      testMatch: [
        '**/__tests__/**/*.test.node.js?(x)',
      ]
    },
  ],
};