test_metavalue_argument: Adapt to Object handling changes.
test_metavalue_argument: Adapt to Object handling changes.

Change-Id: I3f445cd88a87a30cac55b7655f8ab3a3160b1caa

aldebaran/libqi,bsautron/libqi,aldebaran/libqi,aldebaran/libqi,aldebaran/libqi-java,vbarbaresi/libqi,aldebaran/libqi-java,aldebaran/libqi-java