What is the test for absolute or qualified immunity for executing a search warrant signed by a magistrate?

^4. In its discussion, the court analogized the situation here to that of Malley v. Briggs, 475 U.S. 335, 106 S.Ct. 1092 (1986), in which a police officer seeks absolute or qualified immunity for executing a search warrant signed by a magistrate. Only in situations where the warrant is not "facially valid," i.e., so deficient on its face that a reasonable police officer would know of its constitutional deficiencies, is an officer not permitted immunity.

^5.The case has previously been otherwise scheduled.