[NUI.WindowSystem][TCSACR-326][Add WindowSystem QuickPanelClient's TCs]

[NUI.WindowSystem][TCSACR-326][Add WindowSystem QuickPanelClient's TCs]

  - This is test for Tizen.NUI.WindowSystem module added since Tizen 6.0
  - TizenShell and QuickPanelClient classes are added.
  - TizenShell class is a control handle for this WindowSystem.Shell system.
  - QuickPanelClient class is controlling and getting status about  quickpanel service window.
  - Add
    - QuickPanelClient_INIT
      - Test a QuickPanelClient class is create well. QuickPanelClient class is created with
        three different types SystemDefault, ContextMenu, AppsMenu.
        So in this testcase tests QuickPanelClient class is created well with these types.
    - QuickPanelClient_INIT_FAILED
      - Test a QuickPanelClient class creates failed with serveral cases.
    - Visible_CHECK_RETURN_VALUE
      - Test a get Visible property value well.
    - Scrollable_CHECK_RETURN_VALUE
      - Test a get/set Scrollable property value well.
    - Orientation_CHECK_RETURN_VALUE
      - Test a get Orientation property value well.
    - Show_CHECK
      - Test a Show method works well
    - Hide_CHECK
      - Test a Hide method works well
    - VisibleChanged_EVENT
      - Test a VisibleChanged event callback is triggered well.
    - TizenShell_INIT
      - Test a TizenShell class is created well.
    - OrientationChanged_EVENT
      - Test a OrientationChanged event callback is triggered well. This is Manual Test

Change-Id: Ia9b265d12062858bf173f449972034f7c25dad96