update test workflow to include additional dependencies for full test coverage

Author: JakeTrock

.github/workflows/test.yml

@@ -47,7 +47,7 @@ jobs:
         pip install pytest
         pip install -e .
         # Install optional dependencies for full test coverage
-        pip install anthropic openai langchain langchain-core
+        pip install anthropic openai langchain langchain-core langchain-openai langchain-anthropic requests
         
     - name: Run tests
       run: |