public async void AddLocation_ShouldAddToDbContext()
        {
            // Arrange
            SetUp();
            var toAdd = new Location {
                Id = 2
            };
            var payload = new Location
            {
                Id   = 2,
                Name = "NewLocName"
            };

            // Act
            var sit = new LocationDataService(_factory);
            await sit.AddLocationAsync(toAdd);

            // Assert
            _context.Received().Add(toAdd);
        }