public async Task TestGetValidParentProgramsAsync() { var response = await controller.GetValidParentProgramsAsync(1, new PagingQueryBindingModel <OrganizationProgramDTO>()); Assert.IsInstanceOfType(response, typeof(OkNegotiatedContentResult <PagedQueryResults <OrganizationProgramDTO> >)); service.Verify(x => x.GetValidParentProgramsAsync(It.IsAny <int>(), It.IsAny <QueryableOperator <OrganizationProgramDTO> >()), Times.Once()); }