public async Task AddSpotToRegionAsync_Success()
{
// Arrange
moqService.Setup(x => x.AddSpotToRegionAsync(It.IsAny <Spot>())).ReturnsAsync(expectedSpot);
// Act
var response = await controller.AddSpotToRegionAsync(regionId, spot) as ObjectResult;
var actualSpot = response.Value;
// Assert
moqService.Verify();
Assert.IsInstanceOfType(response, typeof(OkObjectResult));
Assert.AreEqual(expectedSpot, actualSpot);
}