xpjsonTest.py: remove test_resolve() test since resolving schema inheritance is now built in to the loadDocument() function when called on schemas; update other calls to work with the latest API
xpjsonTest.py: remove test_resolve() test since resolving schema inheritance is now built in to the loadDocument() function when called on schemas; update other calls to work with the latest API

xgds/xgds_planner2,xgds/xgds_planner2,xgds/xgds_planner2,xgds/xgds_planner2