getNextId() публичный Метод

Identifier of the next element to get the next range of results.
public getNextId ( ) : string
Результат string
 /**
  * @depends testSerializationDeserialization
  * @param PaymentHistory $obj
  */
 public function testGetters($obj)
 {
     $this->assertEquals($obj->getPayments(), PaymentTest::getObject());
     $this->assertEquals($obj->getCount(), 123);
     $this->assertEquals($obj->getNextId(), "TestSample");
 }
 public function testGetterSetters()
 {
     $this->assertEquals(self::$count, $this->history->getCount());
     $this->assertEquals(self::$nextId, $this->history->getNextId());
 }