test('Sample test', function () {
  ok(1 == 1, '1 == 1');
});

test('Testimonial constructor', function() {
  var $container = $('#qunit-fixture .testimonial_slider').first();
  var timeout = 7000;
  var autostart = true;

  var testimonial = new Testimonial($container);
  ok(testimonial.$container === $container, 'Plugin container ok');
  ok(testimonial.pluginOptions.timeout == timeout, 'Plugin default timeout option ok');
  ok(testimonial.pluginOptions.autostart == autostart, 'Plugin default autostart option ok');

  ok(testimonial.timerId !== undefined, 'Autostart works');
  testimonial.stop();

  ok(testimonial.$slidesWrapper.attr('class') === 'main_container', 'Slides wrapper create');

  ok(testimonial.$slides.length == 3, 'Count slides ok');
  ok(testimonial.currentSlideIndex == 0, 'Current index ok');
});

Update test