GraphQL\Tests\Validator\OverlappingFieldsCanBeMergedTest::testDisallowsDifferingSubfields PHP Method

    public function testDisallowsDifferingSubfields()
    {
        $this->expectFailsRuleWithSchema($this->getTestSchema(), new OverlappingFieldsCanBeMerged(), '
        {
          someBox {
            ... on IntBox {
              box: stringBox {
                val: scalar
                val: unrelatedField
              }
            }
            ... on StringBox {
              box: stringBox {
                val: scalar
              }
            }
          }
        }
        ', [FormattedError::create(OverlappingFieldsCanBeMerged::fieldsConflictMessage('val', 'scalar and unrelatedField are different fields'), [new SourceLocation(6, 17), new SourceLocation(7, 17)])]);
    }