def test_mcp_observation_message():
    """Test the message property of MCPObservation."""
    observation = MCPObservation(
        content=json.dumps({'result': 'success', 'data': 'test data'})
    )

    message = observation.message
    assert message == json.dumps({'result': 'success', 'data': 'test data'})
    assert 'result' in message
    assert 'success' in message
    assert 'data' in message
    assert 'test data' in message
Test the message property of MCPObservation.
tests/unit/test_mcp_action_observation.py