public PostLogsControllerTests()
        {
            //-----------------------------------------------------------------------------------------------------------
            // Arrange
            //-----------------------------------------------------------------------------------------------------------
            options = new DbContextOptionsBuilder <HubDbContext>()
                      .UseInMemoryDatabase(Guid.NewGuid().ToString())
                      .Options;
            context = new HubDbContext(options);
            logger  = new Mock <ILogger <PostLogsController> >();
            var mockMapper = new MapperConfiguration(cfg =>
            {
                cfg.AddProfile(new MappingProfile());
            });

            mapper     = mockMapper.CreateMapper();
            controller = new PostLogsController(context, logger.Object, mapper);
        }