AsseticBundle\Configuration::addRendererToStrategy PHP Метод

    public function addRendererToStrategy($rendererClass, $strategyClass)
    {
        $this->rendererToStrategy[$rendererClass] = $strategyClass;
    }

 public function testAddRendererToStrategy()
 {
     $value = $this->object->addRendererToStrategy('a', 'b');
     $this->assertNull($value);
 }