content: import React from 'react';
  import expressionEvaluator from '../src/lib/expression-evaluator.js';
  import ReactTestUtils from 'react/lib/ReactTestUtils';
  import VNav from '../src/components/navigation/VNav/VNav.jsx';
  import VNavGroup from '../src/components/navigation/VNav/VNavGroup.jsx';
  import VNavItem from '../src/components/navigation/VNav/VNavItem.jsx';
  
  import { html } from 'js-beautify';
  
  describe('Expression evaluator', function () {
      describe('SideNav', function () {
  
          it('Should have proper class', function () {
  
              let instance = ReactTestUtils.renderIntoDocument(
                  <VNav>
                      <VNavGroup title='Main'>
                          <VNavItem title='Contacts'/>
                          <VNavItem title='Schedule'/>
                      </VNavGroup>
                      <VNavGroup title='Settings'>
                          <VNavItem title='Customizations'/>
                      </VNavGroup>
                  </VNav>
              );
              let node = React.findDOMNode(instance);
          });
  
      });
  });
  