isEqualNode is not a function

[aralroca]

To reproduce it, create this test:

it('should fail', () => {
  const div = document.createElement('div');
  const div2 = document.createElement('div');

  expect(div.isEqualNode(div2)).toBeTrue();
})

Throws this error:

TypeError: div.isEqualNode is not a function. (In 'div.isEqualNode(div2)', 'div.isEqualNode' is undefined)

However, if you execute this same lines in DevTools: