🐛 make sure that expiration has been returned before parsing
🐛 make sure that expiration has been returned before parsing

Change-Id: Ia28ef0e047866342811287a51e83e192257908ea
Reviewed-on: http://review.couchbase.org/c/couchbase-ruby-client/+/137469
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

couchbase/couchbase-ruby-client,couchbase/couchbase-ruby-client,couchbase/couchbase-ruby-client