When determining whether there is substantial evidence to support a conviction, what is the test for substantial evidence?

When determining whether there is substantial evidence to support a conviction, we view the record in the light most favorable to the People, resolving all conflicts in the evidence and drawing all reasonable inferences in support of the conviction. (People v. Campbell (1994) 25 Cal.App.4th 402, 408.) " 'We may conclude that there is no substantial evidence in support of conviction only if it can be said that on the evidence presented no reasonable fact finder could find the defendant guilty on the theory presented. [Citation.]' [Citations.]" (Ibid.)