fix for flaky tests (#28887)

Author: anandhan-rajagopal

Diff for: src/Controls/tests/TestCases.HostApp/Issues/Issue10222.cs

@@ -64,9 +64,7 @@ async void InitCV()
 
 					cv.ScrollTo(items.Count - 1);
 
-					//give the cv time to scroll
-					var rand = new Random();
-					await Task.Delay(rand.Next(10, 200));
+					await Task.Delay(200);
 
 					await Navigation.PopAsync(false);
 

Diff for: src/Controls/tests/TestCases.Shared.Tests/Tests/DragAndDropUITests.cs

@@ -360,6 +360,12 @@ public void DropEventCoordinates()
 			App.WaitForElement("Green");
 			App.DragAndDrop("Blue", "Green");
 
+			// Wait for all UI elements to confirm drag and drop operation completion
+			App.WaitForElement("DropRelativeLayout");
+			App.WaitForElement("DropRelativeScreen");
+			App.WaitForElement("DropRelativeLabel");
+			App.WaitForElement("DragStartRelativeScreen");
+
 			var dropRelativeToLayout = GetCoordinatesFromLabel(App.FindElement("DropRelativeLayout").GetText());
 			var dropRelativeToScreen = GetCoordinatesFromLabel(App.FindElement("DropRelativeScreen").GetText());
 			var dropRelativeToLabel = GetCoordinatesFromLabel(App.FindElement("DropRelativeLabel").GetText());

Diff for: src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue10222.cs

@@ -18,8 +18,8 @@ public void Issue10222Test()
 	{
 		App.WaitForElement("goTo");
 		App.Tap("goTo");
-		App.WaitForElement("items1");
-		App.WaitForElement("goTo");
+		App.WaitForElement("items1", timeout: TimeSpan.FromSeconds(1));
+		App.WaitForElement("goTo", timeout: TimeSpan.FromSeconds(2));
 	}
 }
 #endif