Add promt fix tests

ChatBot.Tests/Telegram/Commands/TelegramCommandProcessorTests.cs

@@ -236,7 +236,7 @@ public class TelegramCommandProcessorTests : UnitTestBase
         var chatTitle = "Test Chat";
 
         // Act
-        var result = await _processor.ProcessMessageAsync(
+        Func<Task> act = async () => await _processor.ProcessMessageAsync(
             messageText,
             chatId,
             username,
@@ -245,7 +245,8 @@ public class TelegramCommandProcessorTests : UnitTestBase
         );
 
         // Assert
-        result.Should().NotBeNull();
+        await act.Should().ThrowAsync<ArgumentException>()
+            .WithMessage("ChatId cannot be 0*");
     }
 
     [Fact]
@@ -746,7 +747,7 @@ public class TelegramCommandProcessorTests : UnitTestBase
         );
 
         // Assert
-        result.Should().Contain("Произошла ошибка");
+        result.Should().Contain("Произошла непредвиденная ошибка");
     }
 
     [Fact]