expect_notify_mask_n
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH, num - 1, mnts + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_DETACH, num - 1, mnts2 + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH, 2, mnts + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH, 2, mnts + 3);
expect_notify_mask_n(_metadata, self, FAN_MNT_DETACH, 3, dmnts);
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH, 2, mnts + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_DETACH, 2, mnts + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH | FAN_MNT_DETACH, 2, mnts2);
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH, num - 1, mnts + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_DETACH, num - 1, mnts2 + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH, 2, mnts + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH, 2, mnts + 3);
expect_notify_mask_n(_metadata, self, FAN_MNT_DETACH, 3, dmnts);
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH, 2, mnts + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_DETACH, 2, mnts + 1);
expect_notify_mask_n(_metadata, self, FAN_MNT_ATTACH | FAN_MNT_DETACH, 2, mnts2);