// Copyright 2023, 2024 The Forgejo Authors. All rights reserved.// SPDX-License-Identifier: MIT package forgefed import (	"fmt" 	"forgejo.org/modules/validation") func validateAndCheckError(subject validation.Validateable, expectedError string) *string {	errors := subject.Validate()	err := errors[0]	if len(errors) < 1 {		val := "Validation error should have been returned, but was not."		return &val	} else if err != expectedError {		val := fmt.Sprintf("Validation error should be [%v] but was: %v\n", expectedError, err)		return &val	}	return nil}