def METHOD_NAME(self, load_system_with_callbacks):
    scwc = load_system_with_callbacks
    # Don't register this rod
    mock_rod = self.MockRod(2, 3, 4, 5)
    with pytest.raises(ValueError) as excinfo:
        scwc.collect_diagnostics(mock_rod)
    assert "was not found, did you" in str(excinfo.value)