public async Task TestAddImage_GetValidImage_EditImageSuccessfully()
        {
            // Arrange
            imageService.Setup(i => i.EditImageAsync(imageModel));
            AdminController controller = new AdminController(filmService.Object, mapper, imageService.Object);

            // Act
            var result = await controller.AddImage(editImageModel) as OkResult;

            // Assert
            Assert.NotNull(result);
            Assert.Equal(200, result.StatusCode);
        }