public static IEnumerable <Message> GetMessages(this MessagesServiceTests tests, int count = 5)
 => Enumerable.Range(1, count)
 .Select(x => new Message
 {
     Id           = Guid.NewGuid(),
     Content      = new LipsumGenerator().GenerateSentences(2).Join(string.Empty),
     Conversation = new Conversation
     {
         Users = Enumerable.Range(1, count).Select(_ => new ApplicationUser()).ToList(),
     },
     CreatedOn = DateTime.UtcNow,
 });
        public static IEnumerable <Message> GetMessagesFromConversation2(this MessagesServiceTests tests, int count = 5)
        {
            var data = new MessagesServiceData();

            return(Enumerable.Range(1, count)
                   .Select(x => new Message
            {
                Id = Guid.NewGuid(),
                Content = new LipsumGenerator().GenerateSentences(2).Join(string.Empty),
                Conversation = data.ConversationLastUsers,
                CreatedOn = DateTime.UtcNow,
            }));
        }