tests: update for manual surface/view mapping

This is a follow up for weston-test to manually
set mapped status for views/surfaces it controls

Signed-off-by: Armin Krezović <krezovic.armin@gmail.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
diff --git a/tests/weston-test.c b/tests/weston-test.c
index 27d045d..09d8b5e 100644
--- a/tests/weston-test.c
+++ b/tests/weston-test.c
@@ -103,6 +103,9 @@
 				 test_surface->x, test_surface->y);
 
 	weston_view_update_transform(test_surface->view);
+
+	test_surface->surface->is_mapped = true;
+	test_surface->view->is_mapped = true;
 }
 
 static void