public void Equal_Random_Image_Id_Value()
        {
            string image_value_1 = CandidatesController.GenerateImageId();
            string image_value_2 = CandidatesController.GenerateImageId();

            Assert.NotEqual(image_value_1, image_value_2);
        }
        public void NotNull_Random_Image_Id_Value()
        {
            string image_value_1 = CandidatesController.GenerateImageId();

            Assert.NotNull(image_value_1);
        }