Fix test assertions - mode is 4th arg not 3rd

Author: ghndrx

tests/test_ssh_server.py

@@ -62,10 +62,10 @@ async def test_play_mode_default(self):
             mock_menu.return_value = None
             await handle_client(process)
 
-            # Verify mode was 'play'
+            # Verify mode was 'play' (4th arg: process, session, username, mode)
             mock_menu.assert_called_once()
             call_args = mock_menu.call_args
-            assert call_args[0][2] == "play"  # mode argument
+            assert call_args[0][3] == "play"  # mode is 4th positional arg
 
     @pytest.mark.asyncio
     async def test_learn_mode(self):
@@ -85,7 +85,7 @@ async def test_learn_mode(self):
             await handle_client(process)
 
             call_args = mock_menu.call_args
-            assert call_args[0][2] == "tutorial"
+            assert call_args[0][3] == "tutorial"  # mode is 4th positional arg
 
     @pytest.mark.asyncio
     async def test_watch_mode(self):
@@ -105,7 +105,7 @@ async def test_watch_mode(self):
             await handle_client(process)
 
             call_args = mock_menu.call_args
-            assert call_args[0][2] == "spectate"
+            assert call_args[0][3] == "spectate"  # mode is 4th positional arg
 
 
 class TestChessBoard: