public void NotEmpty()
        {
            var source = new DependencyPropertyTypesSource();

            CollectionAssert.IsNotEmpty(source);
            //foreach (var source in source)
            //{
            //    CollectionAssert.IsNotEmpty(source.DependencyPropertyFields);
            //}
        }
        public void NotEmpty()
        {
            // ReSharper disable once CollectionNeverUpdated.Local
            var source = new DependencyPropertyTypesSource();

            CollectionAssert.IsNotEmpty(source);
            //foreach (var source in source)
            //{
            //    CollectionAssert.IsNotEmpty(source.DependencyPropertyFields);
            //}
        }