use full node test serialization format: element(foo), not just foo, so we can also use this in type expressions like instance of, treat as, etc.
use full node test serialization format: element(foo), not just foo, so we can also use this in type expressions
like instance of, treat as, etc.

git-svn-id: 70ea2e2438545e53c1a57116d9bc498ccdd9cff9@1347 d2cdb213-60f8-4f1b-b4b2-f6b941818144

coyotesqrl/lux,msokolov/lux,msokolov/lux