PhpOffice\PhpPresentation\Slide::getSlideMasterId PHP Метод

    public function getSlideMasterId()
    {
        return $this->slideMasterId;
    }

 public function testSlideMasterId()
 {
     $value = rand(1, 100);
     $object = new Slide();
     $this->assertEquals(1, $object->getSlideMasterId());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Slide', $object->setSlideMasterId());
     $this->assertEquals(1, $object->getSlideMasterId());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Slide', $object->setSlideMasterId($value));
     $this->assertEquals($value, $object->getSlideMasterId());
 }