public void FeedToken_PartitionKey_TryParse()
        {
            FeedTokenPartitionKey token = new FeedTokenPartitionKey(new PartitionKey("test"));

            Assert.IsTrue(FeedTokenPartitionKey.TryParseInstance(token.ToString(), out FeedToken parsed));
            Assert.IsFalse(FeedTokenPartitionKey.TryParseInstance("whatever", out FeedToken _));
        }
        public void FeedToken_PartitionKeyRange_TryParse()
        {
            FeedTokenPartitionKeyRange token = new FeedTokenPartitionKeyRange("0");

            Assert.IsTrue(FeedTokenPartitionKeyRange.TryParseInstance(token.ToString(), out FeedToken parsed));
            Assert.IsTrue(FeedTokenPartitionKeyRange.TryParseInstance("1", out FeedToken _));
            Assert.IsFalse(FeedTokenPartitionKey.TryParseInstance("whatever", out FeedToken _));
        }