[Layout] Refer to new scripts from test suites

Add entries for new scripts to test suites, to ensure
tests fail until scripts added to support transition
of Layout object/view (WTD-535) have been completed.
WTD-535.

platform/representation/test/suite.json

@@ -3,6 +3,7 @@
     "gestures/DragGesture",
     "gestures/DropGesture",
     "gestures/GestureProvider",
+    "gestures/GestureRepresenter",
     "MCTInclude",
     "MCTRepresentation"
 ]