public function testConfiguration()
 {
     $this->assertEquals('orob2b_rfp.validator.request_product_item', $this->constraint->validatedBy());
     $this->assertEquals([Constraint::CLASS_CONSTRAINT], $this->constraint->getTargets());
 }
 /**
  * {@inheritdoc}
  */
 protected function getValidators()
 {
     $requestProductItemConstraint = new Constraints\RequestProductItem();
     return [$requestProductItemConstraint->validatedBy() => new Constraints\RequestProductItemValidator()];
 }