diff --git a/apps/api/tests/flash_sales.rs b/apps/api/tests/flash_sales.rs
index 9e9f993..e22220c 100644
--- a/apps/api/tests/flash_sales.rs
+++ b/apps/api/tests/flash_sales.rs
@@ -150,7 +150,8 @@ async fn inactive_window_falls_back_to_normal_price() {
     let res = add_item(&app, &owner, &session, &sku, 500, 5, 3).await;
     assert_eq!(res.status(), 201, "past sessions may still be configured");
 
-    // Not discoverable as active.
+    // Not discoverable as active. Scoped to this session: the shared test
+    // database keeps sessions other tests created.
     let active: Vec<serde_json::Value> = client()
         .get(app.url("/api/flash-sales"))
         .send()
@@ -159,7 +160,10 @@ async fn inactive_window_falls_back_to_normal_price() {
         .json()
         .await
         .unwrap();
-    assert!(active.is_empty(), "an elapsed session is not public");
+    assert!(
+        active.iter().all(|s| s["id"] != session.as_str()),
+        "an elapsed session is not public"
+    );
 
     let (token, _) = register_customer(&app, "fs-past").await;
     add_to_cart(&app, &token, &sku, 1).await;