diff --git a/tests/mvp/test_whole_tower_outage.gd b/tests/mvp/test_whole_tower_outage.gd
index 2ce4424..087c717 100644
--- a/tests/mvp/test_whole_tower_outage.gd
+++ b/tests/mvp/test_whole_tower_outage.gd
@@ -145,6 +145,7 @@ func _write() -> void:
 	_expect(_runtime.economy_service.get_balance(&"PLAYER_CASH") <= int(before["cash"]), "no income reaches the tower during the outage")
 	_expect(after["meals"] == before["meals"] and after["raw_food"] == before["raw_food"], "no production and no lost stock during the outage")
 	_expect(_events_since(started, [&"GUEST_SPAWNED", &"GUEST_AUTO_ARRIVED"]) == 0, "no admissions during the outage")
+	_expect(_events_since(started, [&"SERVICE_SALE", &"CASH_SWEEP"]) == 0, "no service sale or revenue sweep event during the outage")
 	_expect(_events_since(started, [&"WARP_TRAVELED"]) == 0, "no warp travel during the outage")
 	_expect(_events_since(started, [&"ELEVATOR_BOARDED"]) == 0, "no elevator boarding during the outage")
 	var departed := {}