diff --git a/ui/src/lib/inbox.test.ts b/ui/src/lib/inbox.test.ts
index 8bcf0738..f34f2a7b 100644
--- a/ui/src/lib/inbox.test.ts
+++ b/ui/src/lib/inbox.test.ts
@@ -327,6 +327,8 @@ describe("inbox helpers", () => {
       heartbeatRuns: [],
       mineIssues: [makeIssue("1", false), makeIssue("2", false), makeIssue("3", true)],
       dismissed: new Set<string>(),
+      dismissedAlerts: new Set<string>(),
+      dismissedAtByKey: new Map(),
     });
 
     expect(result.mineIssues).toBe(1);