AsseticBundle\Configuration::setDebug PHP Метод

    public function setDebug($flag)
    {
        $this->debug = (bool) $flag;
    }

 public function testSetDebug()
 {
     $expected = true;
     $this->assertNull($this->object->setDebug($expected));
     $this->assertEquals($expected, $this->object->isDebug());
 }