public function testNewRendererWithHelperPluginManager()
 {
     $helpers1 = new HelperPluginManager();
     $helpers2 = new HelperPluginManager();
     $class = new ReflectionClass('Lfj\\ZfRenderer\\Renderer');
     $property = $class->getProperty("helpers");
     $property->setAccessible(true);
     $rendererWithHelpers1 = new Renderer($helpers1);
     $rendererWithHelpers2 = $rendererWithHelpers1->withHelperPluginManager($helpers2);
     $this->assertSame($property->getValue($rendererWithHelpers1), $helpers1);
     $this->assertSame($property->getValue($rendererWithHelpers2), $helpers2);
     $this->assertNotSame($rendererWithHelpers1, $rendererWithHelpers2);
     $this->assertNotSame($property->getValue($rendererWithHelpers1), $property->getValue($rendererWithHelpers2));
 }