public void PatchGroupAsync_ShouldReturnExpectedHttpStatusCodeOnKnownErrors(Exception exception, int expectedStatusCode)
{
const int groupId = 8;
var request = new PatchGroupRequest();
_groupService.EditGroupPropertiesAsync(_executionContext, groupId, request)
.Returns(Task.FromException <List <Loot> >(exception));
Func <Task> act = () => _controller.PatchGroupAsync(_executionContext, groupId, request);
act.Should().Throw <HttpErrorException>().Which.StatusCode.Should().Be(expectedStatusCode);
}