Merge branch 'v2_develop' into v2_2491-Refactor-TopLevel-Application-And-Focus

UnitTests/Application/ApplicationTests.cs

@@ -1,5 +1,4 @@
-using Microsoft.VisualBasic;
-using Xunit.Abstractions;
+using Xunit.Abstractions;
 
 // Alias Console to MockConsole so we don't accidentally use Console
 
@@ -193,6 +192,7 @@ public class ApplicationTests
             // Internal properties
             Assert.False (Application.IsInitialized);
             Assert.Equal (Application.GetSupportedCultures (), Application.SupportedCultures);
+            Assert.Equal (Application.GetAvailableCulturesFromEmbeddedResources(), Application.SupportedCultures);
             Assert.False (Application._forceFakeConsole);
             Assert.Equal (-1, Application.MainThreadId);
             Assert.Empty (Application.TopLevels);