Active hyper tree grid geometry test

Change-Id: Ia43fe92913f0b6ddbc13cd44e4b4d4d234454051

Filters/HyperTree/Testing/Cxx/TestHyperTreeGridGeometry.cxx

@@ -72,7 +72,5 @@ int TestHyperTreeGridGeometry( int argc, char* argv[] )
     iren->Start();
     }
 
-  // Clean up
-
-  return 0;
+  return !retVal;
 }