it('should navigate between panels on click', function() {
      var elm = compileDirective('jade-attributes');
      expect(sandboxEl.find('[bs-collapse-target]:eq(0)').hasClass('in')).toBeTruthy();
      sandboxEl.find('[bs-collapse-toggle]:eq(1)').triggerHandler('click');
      expect(sandboxEl.find('[bs-collapse-target]:eq(0)').hasClass('in')).toBeFalsy();