diff --git a/crates/fidc-core/tests/decision_quote_preload.rs b/crates/fidc-core/tests/decision_quote_preload.rs
index fc06c99..e08db24 100644
--- a/crates/fidc-core/tests/decision_quote_preload.rs
+++ b/crates/fidc-core/tests/decision_quote_preload.rs
@@ -2,7 +2,7 @@ use chrono::{Duration, NaiveDate, NaiveTime};
 use fidc_core::{
     BacktestConfig, BacktestEngine, BenchmarkSnapshot, BrokerSimulator, CandidateEligibility,
     ChinaAShareCostModel, ChinaEquityRuleHooks, DailyFactorSnapshot, DailyMarketSnapshot, DataSet,
-    IntradayExecutionQuote, MatchingType, OrderIntent, PriceField, Strategy, StrategyContext,
+    Instrument, IntradayExecutionQuote, MatchingType, OrderIntent, PriceField, Strategy, StrategyContext,
     StrategyDecision,
 };
 use std::collections::{BTreeMap, BTreeSet};
@@ -16,6 +16,18 @@ fn t(hour: u32, minute: u32, second: u32) -> NaiveTime {
     NaiveTime::from_hms_opt(hour, minute, second).expect("valid time")
 }
 
+fn fixture_instruments() -> Vec<Instrument> {
+    vec![Instrument {
+        symbol: "000001.SZ".to_string(),
+        name: "quote-plan-fixture".to_string(),
+        board: "SZ".to_string(),
+        round_lot: 100,
+        listed_at: Some(d(2020, 1, 1)),
+        delisted_at: None,
+        status: "active".to_string(),
+    }]
+}
+
 #[derive(Default)]
 struct DecisionQuoteReader {
     day_count: usize,
@@ -90,7 +102,7 @@ impl Strategy for NoLoaderDecisionQuoteStrategy {
 
 fn single_day_quote_plan_data(date: NaiveDate) -> DataSet {
     DataSet::from_components(
-        Vec::new(),
+        fixture_instruments(),
         vec![DailyMarketSnapshot {
             date,
             symbol: "000001.SZ".to_string(),
@@ -253,7 +265,7 @@ fn engine_preloads_declared_decision_quotes_for_current_positions() {
     let first = d(2026, 1, 5);
     let second = d(2026, 1, 6);
     let data = DataSet::from_components(
-        Vec::new(),
+        fixture_instruments(),
         vec![
             DailyMarketSnapshot {
                 date: first,
@@ -423,7 +435,7 @@ fn engine_reuses_preloaded_decision_quotes_without_loader_call() {
     let first = d(2026, 1, 5);
     let second = d(2026, 1, 6);
     let data = DataSet::from_components_with_actions_and_quotes(
-        Vec::new(),
+        fixture_instruments(),
         vec![
             DailyMarketSnapshot {
                 date: first,
@@ -658,7 +670,7 @@ fn engine_loads_distinct_decision_quote_times_on_same_day() {
     let first = d(2026, 1, 5);
     let second = d(2026, 1, 6);
     let data = DataSet::from_components(
-        Vec::new(),
+        fixture_instruments(),
         vec![
             DailyMarketSnapshot {
                 date: first,