content: import React from 'react';
  import ReactTestUtils from 'react/lib/ReactTestUtils';
  import Tooltip from '../src/Tooltip';
  
  describe('Tooltip', function () {
    it('Should output a tooltip with content', function () {
      let instance = ReactTestUtils.renderIntoDocument(
        <Tooltip>
          <strong>Tooltip Content</strong>
        </Tooltip>
      );
      assert.ok(ReactTestUtils.findRenderedDOMComponentWithTag(instance, 'strong'));
      assert.ok(ReactTestUtils.findRenderedDOMComponentWithClass(instance, 'fade'));
    });
  
    it('Should not have the fade class if animation is false', function () {
      let instance = ReactTestUtils.renderIntoDocument(
        <Tooltip animation={false}>
          <strong>Tooltip Content</strong>
        </Tooltip>
      );
      assert.equal(React.findDOMNode(instance).className.match(/\bfade\b/), null, 'The fade class should not be present');
    });
  });
  