diff --git a/HANDOVER.md b/HANDOVER.md
index 9413a86..7a314e8 100644
--- a/HANDOVER.md
+++ b/HANDOVER.md
@@ -52,9 +52,14 @@ Run the checks before deploying. No framework needed:
 
 ```bash
 cd goodwe_controller
-python3 test_control.py && python3 test_maintenance.py && python3 test_arbiter.py
+python3 test_control.py && python3 test_maintenance.py && python3 test_arbiter.py \
+  && python3 test_validate.py && python3 test_p1.py && python3 test_loop.py
 ```
 
+⚠️ `test_loop.py` takes about **35 seconds** and that is not a bug. It drives the real
+control loop, which sleeps 1 s a tick, to prove a wall-clock property about it
+(SAFETY-12); mocking the clock there would leave the assertion testing the mock.
+
 ---
 
 ## 3. Known broken / unfinished