fix: UWP Build

src/Uno.Toolkit.RuntimeTests/Tests/AncestorBindingTests.cs

@@ -30,7 +30,7 @@ public async Task Ancestor_TopLevel_PageBinding()
 		var setup = new AncestorBindingTest();
 		await UnitTestUIContentHelperEx.SetContentAndWait(setup);
 
-		var sut = setup.FindFirstDescendant<TextBlock>("TopLevelTextBlock") ?? throw new Exception("Failed to find TopLevelTextBlock");
+		var sut = setup.GetFirstDescendant<TextBlock>() ?? throw new Exception("Failed to find TopLevelTextBlock");
 		Assert.AreEqual(sut.Text, setup.Tag);
 	}
 
@@ -40,9 +40,9 @@ public async Task Ancestor_Nested_PageBinding()
 		var setup = new AncestorBindingTest();
 		await UnitTestUIContentHelperEx.SetContentAndWait(setup);
 
-		var lv = setup.FindFirstDescendant<ListView>("TopLevelListView") ?? throw new Exception("Failed to find TopLevelListView");
+		var lv = setup.GetFirstDescendant<ListView>() ?? throw new Exception("Failed to find TopLevelListView");
 		var container = lv.ContainerFromIndex(0);
-		var sut = (container as FrameworkElement)?.FindFirstDescendant<TextBlock>("NestedLvTextBlock1") ?? throw new Exception("Failed to find NestedLvTextBlock1");
+		var sut = (container as FrameworkElement)?.GetFirstDescendant<TextBlock>() ?? throw new Exception("Failed to find NestedLvTextBlock1");
 
 		Assert.AreEqual(sut.Text, setup.Tag);
 	}
@@ -53,9 +53,9 @@ public async Task Ancestor_Nested_LvBinding()
 		var setup = new AncestorBindingTest();
 		await UnitTestUIContentHelperEx.SetContentAndWait(setup);
 
-		var lv = setup.FindFirstDescendant<ListView>("TopLevelListView") ?? throw new Exception("Failed to find TopLevelListView");
+		var lv = setup.GetFirstDescendant<ListView>() ?? throw new Exception("Failed to find TopLevelListView");
 		var container = lv.ContainerFromIndex(0);
-		var sut = (container as FrameworkElement)?.FindFirstDescendant<TextBlock>("NestedLvTextBlock2") ?? throw new Exception("Failed to find NestedLvTextBlock2");
+		var sut = (container as FrameworkElement)?.GetFirstDescendant<TextBlock>() ?? throw new Exception("Failed to find NestedLvTextBlock2");
 		Assert.AreEqual(sut.Text, lv.Tag);
 	}
 }

src/Uno.Toolkit.RuntimeTests/Tests/DrawerTests.cs

@@ -48,7 +48,7 @@ await Task.Run(async () =>
 		await UIHelper.WaitForIdle();
 		await UnitTestUIContentHelperEx.WaitFor(() => drawer.AnimationStoryboard?.GetCurrentState() == ClockState.Stopped);
 
-		var lightDismissOverlay = drawer.FindFirstDescendant<Border>(x => x.Name == DrawerControl.TemplateParts.LightDismissOverlayName) ??
+		var lightDismissOverlay = drawer.GetFirstDescendant<Border>() ??
 			throw new Exception($"Failed to find {DrawerControl.TemplateParts.LightDismissOverlayName}");
 
 		await UnitTestUIContentHelperEx.WaitFor(

src/Uno.Toolkit.RuntimeTests/Tests/ExtendedSplashScreenTests.cs

@@ -27,7 +27,7 @@ public async Task Smoke_Test()
 		var host = await ExtendedSplashScreen.GetNativeSplashScreen().ConfigureAwait(false) ?? throw new Exception("Failed to load native splash screen");
 
 #if !__MOBILE__ // ignore native platforms impl: ios,droid,macos
-		var sut = host.FindFirstDescendant<Image>() ?? throw new Exception("Failed to find splash image control");
+		var sut = host.GetFirstDescendant<Image>() ?? throw new Exception("Failed to find splash image control");
 		var tcs = new TaskCompletionSource<(bool Success, string? Message)>();
 
 		sut.ImageOpened += (s, e) => tcs.SetResult((Success: true, null));

src/Uno.Toolkit.RuntimeTests/Tests/ResponsiveExtensionsTests.cs

@@ -161,7 +161,6 @@ public async Task ProvideValue_Orientation_SizeChange()
 		Assert.AreEqual(Orientation.Horizontal, sut.Orientation);
 	}
 }
-#endif
 
 [TestClass]
 [RunsOnUIThread]
@@ -207,3 +206,4 @@ public async Task Setup_And_Teardown()
 		}
 	}
 }
+#endif