WIP: Remove keyboard layout test logic

It wasn't ever all wired up and is too costly to maintain.

Author: andyleejordan

test/ConsoleFixture.cs

@@ -1,111 +1,23 @@
 
 using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.Runtime.InteropServices;
-using System.Threading;
-using Xunit;
 
 namespace Test
 {
-    public class WindowsConsoleFixtureHelper
-    {
-        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        static extern IntPtr LoadKeyboardLayout(string pwszKLID, uint Flags);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        static extern IntPtr GetKeyboardLayout(uint idThread);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        static extern int GetKeyboardLayoutList(int nBuff, [Out] IntPtr[] lpList);
-
-        // For set:
-        [DllImport("user32.dll", CharSet = CharSet.Auto)]
-        public static extern bool PostMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
-
-        // For get:
-        [DllImport("user32.dll", SetLastError = true)]
-        static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint processId);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        static extern IntPtr GetForegroundWindow();
-
-        const int WM_INPUTLANGCHANGEREQUEST = 0x0050;
-
-        private static string GetLayoutNameFromHKL(IntPtr hkl)
-        {
-            var lcid = (int)((uint)hkl & 0xffff);
-            return (new CultureInfo(lcid)).Name;
-        }
-
-        public static IEnumerable<string> GetKeyboardLayoutList()
-        {
-            int cnt = GetKeyboardLayoutList(0, null);
-            var list = new IntPtr[cnt];
-            GetKeyboardLayoutList(list.Length, list);
-
-            foreach (var layout in list)
-            {
-                yield return GetLayoutNameFromHKL(layout);
-            }
-        }
-
-        public static string GetKeyboardLayout()
-        {
-            // In CI environments like GitHub Actions, keyboard layout detection can fail
-            // or return incorrect results. Default to en-US in these cases.
-            if (Environment.GetEnvironmentVariable("GITHUB_ACTIONS") == "true" ||
-                Environment.GetEnvironmentVariable("TF_BUILD") == "true" ||
-                !RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
-            {
-                return "en-US";
-            }
-
-            var layout = GetKeyboardLayout(GetWindowThreadProcessId(GetForegroundWindow(), out var processId));
-            return GetLayoutNameFromHKL(layout);
-        }
-
-        public static IntPtr SetKeyboardLayout(string lang)
-        {
-            var layoutId = (new CultureInfo(lang)).KeyboardLayoutId;
-            var layout = LoadKeyboardLayout(layoutId.ToString("x8"), 0x80);
-            // Hacky, but tests are probably running in a console app and the layout change
-            // is ignored, so post the layout change to the foreground window.
-            PostMessage(GetForegroundWindow(), WM_INPUTLANGCHANGEREQUEST, 0, layoutId);
-            Thread.Sleep(500);
-            return layout;
-        }
-    }
-
     public class ConsoleFixture : IDisposable
     {
         public KeyboardLayout KbLayout { get; private set; }
-        public string Lang { get; private set; }
-        public string Os { get; private set; }
 
         public ConsoleFixture()
         {
-            Lang = "";
-            Os = "";
         }
 
-        public void Initialize(string lang, string os)
+        public void Initialize()
         {
-            if (!string.Equals(lang, Lang) || !string.Equals(os, Os))
-            {
-                Lang = lang;
-                Os = os;
-                KbLayout = new KeyboardLayout(lang, "windows");
-            }
+            KbLayout = new KeyboardLayout();
         }
 
         public void Dispose()
         {
         }
-
-        public override string ToString()
-        {
-            return Lang + "-" + Os;
-        }
     }
 }

test/DeadKeyTest.cs

@@ -8,7 +8,7 @@ public partial class ReadLine
         [SkippableFact]
         public void DeadKeyShouldBeIgnored()
         {
-            Skip.If(this.Fixture.Lang != "fr-FR", "The dead key test requires Keyboard layout to be set to 'fr-FR'");
+            Skip.If(true, "The dead key test requires Keyboard layout to be set to 'fr-FR'");
             TestSetup(KeyMode.Cmd);
 
             Test("aa", Keys("aa", _.DeadKey_Caret));