.html() => String
Returns a string of the rendered HTML markup of the current render tree. See also .debug()
Note: can only be called on a wrapper of a single node.
Returns
String: The resulting HTML string
Examples
function Foo() {
  return (<div className="in-foo" />);
}
function Bar() {
  return (
    <div className="in-bar">
      <Foo />
    </div>
  );
}
const wrapper = mount(<Bar />);
expect(wrapper.html()).to.equal('<div class="in-bar"><div class="in-foo"></div></div>');
expect(wrapper.find(Foo).html()).to.equal('<div class="in-foo"></div>');
const wrapper = mount(<div><b>important</b></div>);
expect(wrapper.html()).to.equal('<div><b>important</b></div>');