public async Task WhenEmptyResponse_GivesEmptyResult()
{
// Arrange
var requestUri = string.Empty;
Owner expectedResponse = null;
var mockHandler = new Mock <IHttpClientHandler>();
mockHandler.SetupGetStringAsync(requestUri, "", HttpStatusCode.OK);
var ownerService = new OwnerService(mockHandler.Object);
// Act
var result = await ownerService.GetOwnerFromUrlAsync(requestUri, CancellationToken.None);
// Assert
Assert.AreEqual(expectedResponse, result);
}