[XamarinForms][Non-ACR] Fix BarBackgroundColor_NavigationPage_UIBH TC

 - Title bar was shwon two
 - So, tester confuse What is title bar

Change-Id: Ie06b24d6637e1d0af201d2b352b0865d3f729c52

diff --git a/tct-suite-vs/Tizen.XamarinForms.Manual.Tests/testcase/TSNavigationPage.cs b/tct-suite-vs/Tizen.XamarinForms.Manual.Tests/testcase/TSNavigationPage.cs
old mode 100755 (executable)
new mode 100644 (file)
index 81704e0..8e9ad8d
--- a/tct-suite-vs/Tizen.XamarinForms.Manual.Tests/testcase/TSNavigationPage.cs
+++ b/tct-suite-vs/Tizen.XamarinForms.Manual.Tests/testcase/TSNavigationPage.cs
@@ -245,6 +245,8 @@ namespace Xamarin.Forms.Core.UnitTests
             };
             imageGray.GestureRecognizers.Add(tapGestureRecognizerGray);
             _navigationPage.BarBackgroundColor = Color.Default;
+
+            NavigationPage.SetHasNavigationBar(_navigationPage, false);
             await ManualTest.WaitForConfirm();
         }