PhpOffice\PhpPresentation\Shape\Chart\Axis::setTitle PHP Метод

    public function setTitle($value = 'Axis Title')
    {
        $this->title = $value;
        return $this;
    }

 public function testTitle()
 {
     $object = new Axis();
     $this->assertEquals('Axis Title', $object->getTitle());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Axis', $object->setTitle('AAAA'));
     $this->assertEquals('AAAA', $object->getTitle());
 }