Автор: Fabio B. Silva (fabio.bat.silva@gmail.com)
Наследование: implements protobuf\Serializer
 public function testGetConfiguration()
 {
     $config1 = new Configuration();
     $config2 = Configuration::getInstance();
     $serializer1 = new MessageSerializer($config1);
     $serializer2 = new MessageSerializer();
     $this->assertSame($config1, $serializer1->getConfiguration());
     $this->assertSame($config2, $serializer2->getConfiguration());
 }