update test

Rename modules/chatbot/chatbot_open_Source_Model-test.py to modules/chatbot/old_files/chatbot_open_Source_Model-test.py

Rename modules/chatbot/chat_interface.py to modules/chatbot/old_files/chat_interface.py

Rename modules/chatbot/chatbot-Old.py to modules/chatbot/old_files/chatbot-Old.py

Rename modules/chatbot/chabot.py to modules/chatbot/old_files/chabot.py

Rename modules/chatbot/oldfiles/txt.txt to modules/chatbot/old_files/txt.txt