What is the test for a motion to suppress or suppress evidence in a juvenile delinquency case?

"The Fourth Amendment protects against unreasonable searches and seizures." (People v. Casares (2016) 62 Cal.4th 808, 837, disapproved on another ground by People v. Dalton (2019) 7 Cal.5th 166.) "Minors charged with violating the laws of the State of California pursuant to Welfare and Institutions Code 602 are entitled to move to suppress any evidence seized as a result of a violation of the minor's fourth amendment rights." (Caskey, Cal. Search & Seizure (2020) 1:17; see also ibid. ["With regard to the substantive law of suppression, there is no meaningful distinction between suppression motions in adult criminal proceedings and in juvenile delinquency cases"].) "In reviewing the trial court's suppression ruling, we defer to its factual findings if supported by substantial evidence. We

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independently assess the legal question of whether the challenged search or seizure satisfies the Fourth Amendment." (People v. Brown (2015) 61 Cal.4th 968, 975.)