GraphQL\Tests\StartWarsValidationTest::testValidatesAComplexButValidQuery PHP Method

    public function testValidatesAComplexButValidQuery()
    {
        $query = '
        query NestedQueryWithFragment {
          hero {
            ...NameAndAppearances
            friends {
              ...NameAndAppearances
              friends {
                ...NameAndAppearances
              }
            }
          }
        }

        fragment NameAndAppearances on Character {
          name
          appearsIn
        }
      ';
        $errors = $this->validationErrors($query);
        $this->assertEquals(true, empty($errors));
    }