async def test_new_conversation_invalid_session_api_key(provider_handler_mock):
    """Test creating a new conversation with an invalid API key."""
    with _patch_store():
        # Mock the create_new_conversation function to raise LLMAuthenticationError
        with patch(
            'openhands.server.routes.manage_conversations.create_new_conversation'
        ) as mock_create_conversation:
            # Set up the mock to raise LLMAuthenticationError
            mock_create_conversation.side_effect = LLMAuthenticationError(
                'Error authenticating with the LLM provider. Please check your API key'
            )

            test_request = InitSessionRequest(
                repository='test/repo',
                selected_branch='main',
                initial_user_msg='Hello, agent!',
            )

            # Call new_conversation
            response = await create_new_test_conversation(test_request)

            # Verify the response
            assert isinstance(response, JSONResponse)
            assert response.status_code == 400
            assert 'Error authenticating with the LLM provider' in response.body.decode(
                'utf-8'
            )
            assert 'STATUS$ERROR_LLM_AUTHENTICATION' in response.body.decode('utf-8')
Test creating a new conversation with an invalid API key.
tests/unit/test_conversation.py