问哪个单元测试设置是正确的？这两个测试是否都在检查函数是否正确以及是否正常工作？

EN

import React from 'react';
import Enzyme from 'enzyme';
import { shallow} from 'enzyme';
import EditWorkflow from './EditWorkflow';
import Adapter from 'enzyme-adapter-react-15';


//render must import shallow = method to show object structure
//Unit Test  V
Enzyme.configure({ adapter: new Adapter() })

 describe ('<Workflow />', () => {
    it( 'renders 1 <Workflow /> Component', () => {
        const Component = shallow(<EditWorkflow  name= "workflow"/>);
       expect(Component).toHaveLength(1);

    });
    describe('It renders props correctly', () => {
        const Component = shallow(<EditWorkflow name= "workflow"/>);
        expect(Component.instance().props.name).toBe('workflow');
    })
});

import React from 'react';
import Enzyme from 'enzyme';
import Adapter from 'enzyme-adapter-react-15';
import { Login } from './App';
 import renderer from 'react-test-renderer';

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

let defaultProps = {
 getSessionContext: jest.fn(),
 checkSession: jest.fn(),
     }

let mockCheckSession;

describe('Login', () => {
 beforeEach(() => {
 mockCheckSession = jest.fn(()=>{return true})
 defaultProps = {
 getSessionContext: jest.fn(),
 checkSession: mockCheckSession,
 }
  })

  it('should render "authorizing..." if theres no session ', () => {
   mockCheckSession = jest.fn(()=>{return false})
   defaultProps.checkSession = mockCheckSession;

  const tree = renderer
  .create(<Login {...defaultProps} />)
  .toJSON();

  expect(tree).toMatchSnapshot();
})
  it('should render null if there is a session ', () => {
  mockCheckSession = jest.fn(()=>{return true})
  defaultProps.checkSession = mockCheckSession;    

  const tree = renderer
  .create(<Login {...defaultProps}/>)
  .toJSON();

 expect(tree).toMatchSnapshot();
 })
 })