public async Task Insert_ReturnsReservation()
{
//arrange
var reservation = new Reservation {
id = 1, eventId = "1", vendorId = 1, vendorServiceId = 1, status = "New"
};
//act
_reservationsQueryMock.Setup(x => x.Insert(reservation))
.Returns(Task.Factory.StartNew(() => reservation));
var task = await _sut.Insert(reservation);
// assert
Assert.IsType <OkObjectResult>(task);
var result = task as OkObjectResult;
var usersResult = result.Value as Reservation;
Assert.Equal(reservation, usersResult);
}