public bool SchemaValidatorCheck(string typeName)
        {
            var schema = GraphQL.Types.Schema.For(TestTypes.TestValues.SchemaTypes);

            var typeValidatorUnderTest = new TypeValidator(new [] { "GraphQL.Client.tests.TestTypes" });

            var result =
                typeValidatorUnderTest.IGraphQLTypeIsValidForSchema(
                    schema.AllTypes.First(t => string.Equals(t.Name, typeName)), schema);

            return(result.IsSuccess);
        }