message: chore(docs): improve test examples
diff: @@ -135,6 +135,7 @@ Response states are simulated by providing a stream, which contains a network re
  ```tsx
  import { mount } from 'enzyme';
  import { Provider } from 'urql';
  +import { fromValue } from 'wonka';
  import { MyComponent } from './MyComponent';
  it('matches snapshot', () => {
  