public async Task TestListProductFamiliesMetadata()
        {
            AsyncPageable <ProductFamiliesMetadataDetails> productFamiliesMetadata =
                EdgeOrderExtensions.GetProductFamiliesMetadataAsync(Subscription);
            List <ProductFamiliesMetadataDetails> productFamiliesMetadataResult = await productFamiliesMetadata.ToEnumerableAsync();

            Assert.NotNull(productFamiliesMetadataResult);
            Assert.IsTrue(productFamiliesMetadataResult.Count >= 1);
        }