install test requirements

.github/workflows/test.yml

@@ -26,6 +26,7 @@ jobs:
           poetry install
           # install packages to run the examples
           pip install opencv-python opencv-contrib-python-headless httpx replicate langchain openai simpy
+          pip install -r tests/requirements.txt
           # try fix issue with importlib_resources
           pip install importlib-resources
       - name: test startup