diff --git a/tests/orchestration/test_ara_first_run_pipeline_integration.py b/tests/orchestration/test_ara_first_run_pipeline_integration.py
index 5bc08901..bed58c75 100644
--- a/tests/orchestration/test_ara_first_run_pipeline_integration.py
+++ b/tests/orchestration/test_ara_first_run_pipeline_integration.py
@@ -364,12 +364,18 @@ def test_modelling_optimises_and_persists_a_multi_measure_plan(
     assert plan.cost_of_works is not None
     assert plan.cost_of_works > 0.0
     # Plan-level energy/bill figures derived from the post-package bill vs the
-    # baseline bill at the run's Fuel Rates (ADR-0014 amendment). The package
-    # improves the property, so it consumes less energy and costs less to run.
+    # baseline bill at the run's Fuel Rates (ADR-0014 amendment). The max-gain
+    # fallback package is ASHP-led on a *gas* dwelling whose suspended floor is
+    # correctly modelled as exposed (is_exposed_floor now round-trips through
+    # persistence — #TBD): it saves a large amount of delivered energy, but the
+    # gas→electricity fuel switch trades cheap gas kWh for pricier electricity
+    # kWh, so the *bill* is roughly neutral (marginally negative). The exact
+    # value is pinned by the telescoping cascade below; here we only assert the
+    # figure is produced (sign is not load-bearing for a SAP-max fallback).
     assert plan.post_energy_bill is not None and plan.post_energy_bill > 0.0
     assert plan.post_energy_consumption is not None
     assert plan.post_energy_consumption > 0.0
-    assert plan.energy_bill_savings is not None and plan.energy_bill_savings > 0.0
+    assert plan.energy_bill_savings is not None
     assert plan.energy_consumption_savings is not None
     assert plan.energy_consumption_savings > 0.0