What is the test for making allegations about government policy, custom, or practice?

Allegations about government policy, custom, or practice may not simply recite the elements of a cause of action, but must contain sufficient allegations of underlying facts to give fair notice and to enable the opposing party to defend itself effectively, and the factual allegations that are taken as true must plausibly suggest an entitlement to relief, such that it is not unfair to require the opposing party to be subjected to the expense of discovery and continued litigation. Id. at 637 (quoting Starr v. Baca, 652 F.3d 1202, 1206 (9th Cir. 2011)). As a court in this district explained: