Fix concurrency issue in tests

DiscordChatExporter.Cli.Tests/Infra/ExportWrapper.cs

@@ -43,8 +43,6 @@ public static class ExportWrapper
 
         // Perform export only if it hasn't been done before
         if (!File.Exists(filePath))
-        {
-            try
         {
             await new ExportChannelsCommand
             {
@@ -54,13 +52,6 @@ public static class ExportWrapper
                 OutputPath = filePath
             }.ExecuteAsync(new FakeConsole());
         }
-            catch
-            {
-                // If the export fails, delete the file to prevent it from being used by tests
-                File.Delete(filePath);
-                throw;
-            }
-        }
 
         return await File.ReadAllTextAsync(filePath);
     }