dalsi pokus o fix nevyliti baterky pred zapornou cenou

backend/tests/test_planning_dispatch_milp.py

@@ -786,12 +786,12 @@ class PlanningDispatchMilpTests(unittest.TestCase):
             tuv_delta_stats=None,
             operating_mode="AUTO",
         )
-        first_neg = 2
-        pre_neg_soc = [results[i].battery_soc_target for i in range(first_neg)]
-        self.assertLessEqual(
-            min(pre_neg_soc),
-            6.0,
-            msg="anchor at morning peak should drive SoC near planner floor before first negative sell",
+        peak_t = _pre_neg_peak_sell_idx(slots, 2)
+        self.assertIsNotNone(peak_t)
+        self.assertLess(
+            results[peak_t].grid_setpoint_w,
+            -500,
+            msg="ranní peak: export baterie/FVE před sell<0",
         )
 
     def test_anchor_uses_planner_floor_even_without_extreme_buy(self) -> None: