Tried in the sense of "We, the government, are going to remove all laws and even ourselves, and let society run itself"? No.
Tried in the sense of the government collapsed? Yes. See Somalia for the most recent example, but there are others. And when it has happened, yes, it has been found lacking.
Tried in the sense of the government collapsed? Yes. See Somalia for the most recent example, but there are others. And when it has happened, yes, it has been found lacking.