public async Task Given_UpdateGrade_When_ModelIsValid_Then_OkStatusCode() { // Arrange /*mockRepo * .Setup(g => g.Update(It.IsAny<Guid>(), It.IsAny<Grade>())) * .ReturnsAsync(true); */ mockRepo .Setup(g => g.FindById(It.IsAny <Guid>())) .ReturnsAsync(new GradeDetailsModel()); //Act var result = await controller.UpdateGrade(updateGradeModel, It.IsAny <Guid>()); //Arrange Assert.IsType <OkObjectResult>(result); }