/** @test */
 public function should_return_id_as_string()
 {
     $id = ManufacturerId::fromString('d16f9fe7-e947-460e-99f6-2d64d65f46bc');
     $this->assertEquals('d16f9fe7-e947-460e-99f6-2d64d65f46bc', $id->toString());
     $this->assertEquals('d16f9fe7-e947-460e-99f6-2d64d65f46bc', (string) $id);
 }
 /**
  * @return \Modules\Core\Domain\Identifier
  */
 private function makeManufacturerId()
 {
     $id = ManufacturerId::generate();
     return ManufacturerId::fromString($id);
 }