修正next open末日执行测试

crates/fidc-core/src/engine.rs

@@ -4899,7 +4899,7 @@ mod tests {
                 market(third, 14.0, 15.0),
             ],
             vec![factor(first), factor(second)],
-            vec![candidate(first), candidate(second), candidate(third)],
+            vec![candidate(first), candidate(second)],
             vec![benchmark(first), benchmark(second), benchmark(third)],
         )
         .expect("dataset");
@@ -4915,9 +4915,8 @@ mod tests {
 
         let result = BacktestEngine::new(
             dataset,
-            ScheduledBuyStrategy {
+            BuyWhenDecisionDateStrategy {
-                rule: ScheduleRule::weekly_by_weekday("weekly_signal", 5, ScheduleStage::OnDay),
+                decision_date: second,
-                expected_decision_date: second,
             },
             broker,
             config,