public async Task RemoveFileDataAsyncMethodReturnsCorrectTypeTest()
        {
            var fileDataId = Guid.NewGuid();
            var mockFilesPersistenceService = new Mock<IFilesPersistenceService>();
            var persistenceController = new FilesPersistenceController(mockFilesPersistenceService.Object);

            var result = await persistenceController.DeleteFileDataAsync(fileDataId);
            Assert.AreEqual(typeof(OkResult), result.GetType());
        }
        public async Task RemoveFileDataAsyncMethodCallsCorrectServiceMethodTest()
        {
            var fileDataId = Guid.NewGuid();
            var mockFilesPersistenceService = new Mock<IFilesPersistenceService>();
            var persistenceController = new FilesPersistenceController(mockFilesPersistenceService.Object);

            await persistenceController.DeleteFileDataAsync(fileDataId);
            mockFilesPersistenceService.Verify(m => m.DeleteFileDataAsync(fileDataId), Times.Once());
        }