Meteor Velocity Mocha testing: todo sample application create a new task

lists-show-test.js

if (!(typeof MochaWeb === 'undefined')){
  MochaWeb.testOnly(function(){
    describe("lists-show", function(){
      it("creates a new task", function(){
        Template.appBody.fireEvent('click .js-new-list');
        var form = $("<form></form>");
        var obj = $('<input/>').attr('type', 'text').val('item 1');
        form.append(obj);
        Template.listsShow.fireEvent('submit .js-todo-new', {
          event: {
            target: form,
            preventDefault: function () {}
          }
        });
        chai.assert.equal(Todos.find().count(), 1);
      });

      afterEach(function() {
        var list = Lists.findOne();
        Lists.remove(list._id);
        var todos = Todos.findOne();
        Todos.remove(todos._id);
      });
    });
  });
}