What is the test for admitting evidence of consciousness of guilt in a murder case?

flight." (People v. Mason (1991) 52 Cal.3d 909, 941.) "Instead, the facts of each case determine whether it is reasonable to infer that flight shows consciousness of guilt. In People v. Santo (1954) 43 Cal.2d 319 [], for example, we held that the trial court properly admitted evidence of flight occurring more than a month after the charged murder because the facts fairly supported that inference. [Citation.]" (Ibid., fn. omitted.)