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

            _context.Locations.Returns(new List <Location> {
                locationInDb
            });

            // Act
            var sit    = new LocationDataService(_factory);
            var result = await sit.RenameLocationAsync(payload.Id, payload.Name);

            // Assert
            _context.Received().SaveChanges();
            Assert.Equal(payload.Name, result.Name);
        }