public async void GivenQueryWhenBoardExistsReturnsBoard() { // Arrange SetupQueryHandler(new List <BoardEntity> { new BoardEntity() }); mockMappingService.Setup(x => x.Map <Board>(It.IsAny <BoardEntity>())).Returns(new Board()); var query = new GetBoardBySlugQuery(); // Act var board = await handler.Handle(query, CancellationToken.None); // Assert Assert.NotNull(board); }