What is the test for assisting and abetting a crime?

acted with knowledge of the perpetrator's unlawful purpose; (3) the defendant acted with the intent or purpose either to commit, or to facilitate or encourage commission of, the target crime; (4) the defendant's confederate committed an offense (the nontarget offense) other than the target crime; and (5) the nontarget offense committed by the confederate was a natural and probable consequence of the target crime the defendant aided and abetted. (People v. Prettyman (1996) 14 Cal.4th 248, 262; People v. Miranda, supra, 192 Cal.App.4th at p. 408.)