/// <summary>
 /// Функция поиска по идентификаторам
 /// </summary>
 public static Func <IEnumerable <TestEnum>, IResultCollection <TestEntity> > FindIdsOkFunc(IResultCollection <TestEntity> entitiesResult) =>
 id => entitiesResult.ResultCollectionOk(entities => SearchInEntities.FindEntities(entities, id));
 /// <summary>
 /// Функция получения по идентификатору
 /// </summary>
 public static Func <TestEnum, IResultValue <TestEntity> > FindIdOkFunc(IResultCollection <TestEntity> entitiesResult) =>
 id => entitiesResult.ResultCollectionOkToValue(entities => SearchInEntities.FirstEntity(entities, id));