public async Task AddAchievementAsync_CreateAchievementModel_ReturnsReadAchievementModel(CreateAchievementModel model)
        {
            //Arrange
            var expectedValue     = AchievementDumbData.GetReadAchievementModel(model);
            var cancellationToken = new CancellationToken();

            _fileService.Setup(x => x.AddOrUpdateFileByIdAsync(It.IsAny <IFormFile>(), It.IsAny <Guid?>(), cancellationToken)).Returns(Task.FromResult(expectedValue.IconId));
            _achievementRepository.Setup(x => x.AddAsync(It.IsAny <Achievement>(), cancellationToken)).Returns(Task.FromResult(expectedValue));
            _unitOfWork.Setup(x => x.SaveChangesAsync(cancellationToken)).Returns(Task.CompletedTask);

            // Act
            var response = await _achievementService.AddAchievementAsync(model, cancellationToken);

            expectedValue.Id = response.Id;

            // Assert
            _fileService.Verify(x => x.AddOrUpdateFileByIdAsync(It.IsAny <IFormFile>(), It.IsAny <Guid?>(), cancellationToken), Times.Once);
            _achievementRepository.Verify(x => x.AddAsync(It.IsAny <Achievement>(), cancellationToken), Times.Once);
            _unitOfWork.Verify(x => x.SaveChangesAsync(cancellationToken), Times.Once);
            response.Should().BeEquivalentTo(expectedValue);
        }