old_contents: import React from 'react';
  import { mount } from 'enzyme';
  import Anchor from '..';
  
  const { Link } = Anchor;
  
  describe('Anchor Render', () => {
    it('Anchor render perfectly', () => {
      const wrapper = mount(
        <Anchor>
          <Link href="#API" title="API" />
        </Anchor>
      );
  
      wrapper.find('a[href="#API"]').simulate('click');
  
      wrapper.instance().handleScroll();
      expect(wrapper.instance().state).not.toBe(null);
    });
  
    it('Anchor render perfectly for complete href - click', () => {
      const wrapper = mount(
        <Anchor>
          <Link href="http://www.example.com/#API" title="API" />
        </Anchor>
      );
      wrapper.find('a[href="http://www.example.com/#API"]').simulate('click');
      expect(wrapper.instance().state.activeLink).toBe('http://www.example.com/#API');
    });
  
    it('Anchor render perfectly for complete href - scoll', () => {
      let root = document.getElementById('root');
      if (!root) {
        root = document.createElement('div', { id: 'root' });
        root.id = 'root';
        document.body.appendChild(root);
      }
      mount(<div id="API">Hello</div>, { attachTo: root });
      const wrapper = mount(
        <Anchor>
          <Link href="http://www.example.com/#API" title="API" />
        </Anchor>
      );
      wrapper.instance().handleScroll();
      expect(wrapper.instance().state.activeLink).toBe('http://www.example.com/#API');
    });
  
    it('Anchor render perfectly for complete href - scollTo', () => {
      let root = document.getElementById('root');
      if (!root) {
        root = document.createElement('div', { id: 'root' });
        root.id = 'root';
        document.body.appendChild(root);
      }
      mount(<div id="API">Hello</div>, { attachTo: root });
      const wrapper = mount(
        <Anchor>
          <Link href="##API" title="API" />
        </Anchor>
      );
      wrapper.instance().handleScrollTo('##API');
      expect(wrapper.instance().state.activeLink).toBe('##API');
    });
  });
  
new_contents: import React from 'react';
  import { mount } from 'enzyme';
  import Anchor from '..';
  
  const { Link } = Anchor;
  
  describe('Anchor Render', () => {
    it('Anchor render perfectly', () => {
      const wrapper = mount(
        <Anchor>
          <Link href="#API" title="API" />
        </Anchor>
      );
  
      wrapper.find('a[href="#API"]').simulate('click');
  
      wrapper.instance().handleScroll();
      expect(wrapper.instance().state).not.toBe(null);
    });
  
    it('Anchor render perfectly for complete href - click', () => {
      const wrapper = mount(
        <Anchor>
          <Link href="http://www.example.com/#API" title="API" />
        </Anchor>
      );
      wrapper.find('a[href="http://www.example.com/#API"]').simulate('click');
      expect(wrapper.instance().state.activeLink).toBe('http://www.example.com/#API');
    });
  
    it('Anchor render perfectly for complete href - scroll', () => {
      let root = document.getElementById('root');
      if (!root) {
        root = document.createElement('div', { id: 'root' });
        root.id = 'root';
        document.body.appendChild(root);
      }
      mount(<div id="API">Hello</div>, { attachTo: root });
      const wrapper = mount(
        <Anchor>
          <Link href="http://www.example.com/#API" title="API" />
        </Anchor>
      );
      wrapper.instance().handleScroll();
      expect(wrapper.instance().state.activeLink).toBe('http://www.example.com/#API');
    });
  
    it('Anchor render perfectly for complete href - scollTo', () => {
      let root = document.getElementById('root');
      if (!root) {
        root = document.createElement('div', { id: 'root' });
        root.id = 'root';
        document.body.appendChild(root);
      }
      mount(<div id="API">Hello</div>, { attachTo: root });
      const wrapper = mount(
        <Anchor>
          <Link href="##API" title="API" />
        </Anchor>
      );
      wrapper.instance().handleScrollTo('##API');
      expect(wrapper.instance().state.activeLink).toBe('##API');
    });
  });
  
subject: Fix typo