Fixed tests

tests/test_conversation_field_mapping.py

@@ -2,6 +2,7 @@
 Test that conversation history is correctly mapped to tool-specific fields
 """
 
+import os
 from datetime import datetime
 from unittest.mock import MagicMock, patch
 
@@ -129,12 +130,17 @@ async def test_unknown_tool_defaults_to_prompt():
     with patch("utils.conversation_memory.get_thread", return_value=mock_context):
         with patch("utils.conversation_memory.add_turn", return_value=True):
             with patch("utils.conversation_memory.build_conversation_history", return_value=("History", 500)):
-                arguments = {
-                    "continuation_id": "test-thread-456",
-                    "prompt": "User input",
-                }
+                with patch.dict(os.environ, {"GEMINI_API_KEY": "test-key", "OPENAI_API_KEY": ""}, clear=False):
+                    from providers.registry import ModelProviderRegistry
 
-                enhanced_args = await reconstruct_thread_context(arguments)
+                    ModelProviderRegistry.clear_cache()
+
+                    arguments = {
+                        "continuation_id": "test-thread-456",
+                        "prompt": "User input",
+                    }
+
+                    enhanced_args = await reconstruct_thread_context(arguments)
 
                 # Should default to 'prompt' field
                 assert "prompt" in enhanced_args