tests: Get make check working again

A alias for string called 'Property' was added with 70aafbb58, making
the Property type in propertygentest ambiguous and unable to build.
Remove the ambiguity.

callbacktest does not pass.  Mark as expected to fail until resolved.

Tested: propertygentest compiles again, test suite runs to completion
Change-Id: I7df516e378dd7b8de94474ab90ce55c0ac8708a4
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
3 files changed