function it_does_not_add_violation_when_validates_string_product_value($context, string $stringConstraint, ProductValueInterface $productValue, AttributeInterface $attribute)
 {
     $productValue->getAttribute()->willReturn($attribute);
     $attribute->getCode()->willReturn('foo');
     $attribute->getBackendType()->willReturn('varchar');
     $productValue->getVarchar()->willReturn('bar');
     $context->addViolation(Argument::cetera())->shouldNotBeCalled();
     $this->validate($productValue, $stringConstraint);
 }