chore: Add more test

[chyroc]

• Increase coverage for existing modules

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.51%. Comparing base (dda66d4) to head (427a34c). Report is 3 commits behind head on main.

@@             Coverage Diff             @@
##             main      #48       +/-   ##
===========================================
+ Coverage   85.85%   96.51%   +10.66%     
===========================================
  Files          30       36        +6     
  Lines        1258     1406      +148     
===========================================
+ Hits         1080     1357      +277     
+ Misses        178       49      -129     

Flag	Coverage Δ
	96.51% <100.00%> (+10.66%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
cozepy/conversations/__init__.py	100.00% <ø> (+20.68%)	:arrow_up:
cozepy/request.py	82.43% <ø> (+2.16%)	:arrow_up:
tests/test_auth.py	100.00% <100.00%> (ø)
tests/test_chat.py	100.00% <100.00%> (ø)
tests/test_chat_message.py	100.00% <100.00%> (ø)
tests/test_conversation.py	100.00% <100.00%> (ø)
tests/test_conversation_message.py	100.00% <100.00%> (ø)
tests/test_exception.py	100.00% <100.00%> (ø)
tests/test_knowledge_documents.py	100.00% <100.00%> (ø)
tests/test_log.py	100.00% <100.00%> (ø)
... and 2 more

... and 10 files with indirect coverage changes