"What is the falsifiable test for "un intelligent" spontaneous formation of life from those pesky building blocks of life hanging around out there?"
Unknown. And the Theory of Evolution does not address that aspect, simply because there isn't enough data available to support any answer. There are several competing hypotheses discussing this issue, but there is insufficient evidence to support raising any of these to the level of a scientific theory.
"Theory of Evolution does not address that aspect, simply because there isn't enough data available to support any answer"
When I was in school such speculation was included in evolution studies. Fine, provided that ID theories on this matter are also discussed. Case closed.