text: module.exports = function(root) {
    root = root ? root : this;
    root.expect = root.chai.expect;
  
    beforeEach(function() {
      // Using these globally-available Sinon features is preferrable, as they're
      // automatically restored for you in the subsequent `afterEach`
      root.sandbox = root.sinon.sandbox.create();
      root.stub = root.sandbox.stub.bind(root.sandbox);
      root.spy = root.sandbox.spy.bind(root.sandbox);
      root.mock = root.sandbox.mock.bind(root.sandbox);
      root.useFakeTimers = root.sandbox.useFakeTimers.bind(root.sandbox);
      root.useFakeXMLHttpRequest = root.sandbox.useFakeXMLHttpRequest.bind(root.sandbox);
      root.useFakeServer = root.sandbox.useFakeServer.bind(root.sandbox);
    });
  
    afterEach(function() {
      delete root.stub;
      delete root.spy;
      root.sandbox.restore();
    });
  };
  