public async Task TestGetProgramByIdAsync() { service.Setup(x => x.GetProgramByIdAsync(It.IsAny <int>())) .ReturnsAsync(new ProgramDTO { RowVersion = new byte[0] }); var response = await controller.GetProgramByIdAsync(1); Assert.IsInstanceOfType(response, typeof(OkNegotiatedContentResult <ProgramViewModel>)); }