def METHOD_NAME(self):
    tapir_user = TapirUserFactory.build(
        first_name=self.FIRST_NAME,
        usage_name=self.USAGE_NAME,
        last_name=self.LAST_NAME,
        share_owner__id=12,
    )
    display_name = UserUtils.build_display_name(
        tapir_user, UserUtils.DISPLAY_NAME_TYPE_FULL
    )
    self.assertEqual("Jane Doe #12", display_name)