enzyme: another .find() will cause the previous .find() not able to get .parent()

Current behavior

another .find() will cause the previous .find() not able to get .parent()

Expected behavior

should be able to get .parent(), it was ok in v3.3.0

Your environment

API

• shallow
• mount
• render

Version

library	version
enzyme	3.7.0
react	16.6.3
react-dom	16.6.3
enzyme-adapter-react-16	1.7.0

Adapter

• enzyme-adapter-react-16
• enzyme-adapter-react-16.3
• enzyme-adapter-react-16.2
• enzyme-adapter-react-16.1
• enzyme-adapter-react-15
• enzyme-adapter-react-15.4
• enzyme-adapter-react-14
• enzyme-adapter-react-13
• enzyme-adapter-react-helper
• others ( )

Details

please check the code here, https://codesandbox.io/s/54j70o404k

import React from "react";

import Enzyme, { shallow } from "enzyme";
import Adapter from "enzyme-adapter-react-16";

Enzyme.configure({ adapter: new Adapter() });

it("another find causing bug", () => {
  class TestComponent extends React.Component {
    render() {
      return (
        <div>
          <h1>Title</h1>
          <span key="1">1</span>
          <span key="2">2</span>
        </div>
      );
    }
  }
  const component = shallow(<TestComponent />);
  const cards = component.find("span");
  expect(cards).toHaveLength(2);

  // #region select another component, comment out this region
  const title = component.find("h1");
  expect(title).toHaveLength(1);
  expect(title.text()).toBe("Title");
  // #endregion

  // failed since 3.4.0, was able to pass in 3.3.0
  // comment out the region above to make this passes
  expect(
    cards
      .at(0)
      .parent()
      .is("div")
  ).toBe(true);
});

update: I cloned the codesandbox with the latest dependencies but still fail, https://codesandbox.io/s/y3nrx89vwx