public async Task Handle_BoardExists_ReturnsCardCreatedDtoWithCorrectPropValues()
        {
            var dbName = $"{nameof(AddCardToBoardCommandHandlerTests)}_{nameof(Handle_BoardExists_ReturnsCardCreatedDtoWithCorrectPropValues)}";

            using var context = TestApplicationDbContext.Create(dbName);
            var boardFactory      = new BoardFactory();
            var board             = boardFactory.Create("board-title");
            var cancellationToken = new CancellationToken();

            context.Boards.Add(board);
            await context.SaveChangesAsync(cancellationToken);

            var handler = new AddCardToBoardCommandHandler(context);
            var request = new AddCardToBoardCommand {
                BoardId = board.Id, Title = "card-title"
            };

            var cardCreatedDto = await handler.Handle(request, cancellationToken);

            var card = await context.Cards.FirstOrDefaultAsync(c => c.BoardId == board.Id);

            Assert.NotNull(cardCreatedDto);
            Assert.Equal(card.Id, cardCreatedDto.CardId);
            Assert.Equal(card.BoardId, cardCreatedDto.BoardId);
        }
        public async Task Handle_CardNotExists_ThrowsNotFoundApplicationException()
        {
            var dbName = $"{nameof(AddCardToBoardCommandHandlerTests)}_{nameof(Handle_CardNotExists_ThrowsNotFoundApplicationException)}";

            using var context = TestApplicationDbContext.Create(dbName);
            var boardId = 1;
            var handler = new AddCardToBoardCommandHandler(context);
            var request = new AddCardToBoardCommand {
                BoardId = boardId, Title = "card-title"
            };
            var cancellationToken = new CancellationToken();

            Task <CardCreatedDto> action() => handler.Handle(request, cancellationToken);

            await Assert.ThrowsAsync <NotFoundApplicationException>(action);
        }