[NUI][Non-ACR] Fix TSDragAndDrop fails

Change-Id: Idaffbb55c71870dd2d254737f4557ba1f641270c

diff --git a/tct-suite-vs/Tizen.NUI.Tests/testcase/TSDragAndDrop.cs b/tct-suite-vs/Tizen.NUI.Tests/testcase/TSDragAndDrop.cs
index ae8939f..b3ec95f 100755 (executable)
--- a/tct-suite-vs/Tizen.NUI.Tests/testcase/TSDragAndDrop.cs
+++ b/tct-suite-vs/Tizen.NUI.Tests/testcase/TSDragAndDrop.cs
@@ -99,6 +99,7 @@ namespace Tizen.NUI.Tests
             {
                 var dnd = DragAndDrop.Instance;
                 var targetView = new ImageView();
+                Window.Instance.GetDefaultLayer().Add(targetView);
                 dnd.AddListener(targetView, OnTargetEventFunc);
             }
             catch (Exception e)
@@ -121,6 +122,7 @@ namespace Tizen.NUI.Tests
             {
                 var dnd = DragAndDrop.Instance;
                 var targetView = new ImageView();
+                Window.Instance.GetDefaultLayer().Add(targetView);
                 dnd.AddListener(targetView, OnTargetEventFunc);
                 dnd.RemoveListener(targetView, OnTargetEventFunc);
             }