Workaround for Spectre parallelization issue in tests

DiscordChatExporter.Cli/Utils/Extensions/ConsoleExtensions.cs

@@ -7,14 +7,31 @@ namespace DiscordChatExporter.Cli.Utils.Extensions
 {
     internal static class ConsoleExtensions
     {
-        public static IAnsiConsole CreateAnsiConsole(this IConsole console) => AnsiConsole.Create(
+        private class NoopExclusivityMode : IExclusivityMode
+        {
+            public T Run<T>(Func<T> func) => func();
+
+            public Task<T> Run<T>(Func<Task<T>> func) => func();
+        }
+
+        public static IAnsiConsole CreateAnsiConsole(this IConsole console)
+        {
+            // Don't require exclusivity in tests.
+            // Workaround for: https://github.com/spectreconsole/spectre.console/issues/494
+            var exclusivityMode = console is FakeConsole
+                ? new NoopExclusivityMode()
+                : null;
+
+            return AnsiConsole.Create(
                 new AnsiConsoleSettings
                 {
                     Ansi = AnsiSupport.Detect,
                     ColorSystem = ColorSystemSupport.Detect,
-                Out = new AnsiConsoleOutput(console.Output)
+                    Out = new AnsiConsoleOutput(console.Output),
+                    ExclusivityMode = exclusivityMode
                 }
             );
+        }
 
         public static Progress CreateProgressTicker(this IConsole console) => console
             .CreateAnsiConsole()