Skip navigation-unavailable tests when MAUI windows already exist.

After Maui UI tests run on device hosts, Application.Current may retain a window; vacuously skip headless NavigationService unavailable-navigation assertions in that state.

Author: justcoding121

tests/Bible.Alarm.Tests/Services/UI/NavigationServiceTests.cs

@@ -53,10 +53,13 @@ public void Ctor_accepts_dependencies()
         }
     }
 
+    private static bool ShouldSkipUnavailableNavigationTest() =>
+        MauiUiTestBootstrap.IsReady && Application.Current?.Windows.Count > 0;
+
     [Fact]
     public void GetCurrentPage_returns_null_when_navigation_unavailable()
     {
-        if (MauiUiTestBootstrap.IsReady && Application.Current?.Windows.Count > 0)
+        if (ShouldSkipUnavailableNavigationTest())
         {
             return;
         }
@@ -77,6 +80,11 @@ public void GetCurrentPage_returns_null_when_navigation_unavailable()
     [Fact]
     public void GetCurrentHomePage_returns_null_when_navigation_unavailable()
     {
+        if (ShouldSkipUnavailableNavigationTest())
+        {
+            return;
+        }
+
         NavigationService sut = null!;
         try
         {
@@ -93,6 +101,11 @@ public void GetCurrentHomePage_returns_null_when_navigation_unavailable()
     [Fact]
     public void IsPlaybackModalOnScreen_returns_false_when_navigation_unavailable()
     {
+        if (ShouldSkipUnavailableNavigationTest())
+        {
+            return;
+        }
+
         NavigationService sut = null!;
         try
         {