Revert "test: hydrate + rerender behavior"

This reverts commit a6bf173.

Author: eps1lon

src/__tests__/rerender.js

@@ -1,5 +1,4 @@
 import * as React from 'react'
-import * as ReactDOMServer from 'react-dom/server'
 import {render} from '../'
 
 test('rerender will re-render the element', () => {
@@ -11,19 +10,22 @@ test('rerender will re-render the element', () => {
 })
 
 test('hydrate will not update props until next render', () => {
+  const initialInputElement = document.createElement('input')
   const container = document.createElement('div')
+  container.appendChild(initialInputElement)
   document.body.appendChild(container)
-  const ui = <main>Server</main>
-  container.innerHTML = ReactDOMServer.renderToString(ui)
 
-  const {rerender} = render(ui, {
+  const firstValue = 'hello'
+  initialInputElement.value = firstValue
+
+  const {rerender} = render(<input value="" onChange={() => null} />, {
     container,
     hydrate: true,
   })
 
-  expect(container).toHaveTextContent('Server')
-
-  rerender(<main>Client</main>)
+  expect(initialInputElement).toHaveValue(firstValue)
 
-  expect(container).toHaveTextContent('Client')
+  const secondValue = 'goodbye'
+  rerender(<input value={secondValue} onChange={() => null} />)
+  expect(initialInputElement).toHaveValue(secondValue)
 })