test: guard discord qa helpers

extensions/discord/src/monitor/threading.auto-thread.test.ts

@@ -57,8 +57,10 @@ function requireRecord(value: unknown, label: string): Record<string, unknown> {
 function callArg(mock: unknown, callIndex: number, argIndex: number, label: string) {
   const calls = (mock as { mock?: { calls?: Array<Array<unknown>> } }).mock?.calls ?? [];
   const call = calls.at(callIndex);
-  expect(call, label).toBeDefined();
-  return call?.[argIndex];
+  if (!call) {
+    throw new Error(`Expected ${label}`);
+  }
+  return call[argIndex];
 }
 
 function expectRestBodyField(mock: unknown, field: string, expected: unknown) {

extensions/discord/src/voice/manager.e2e.test.ts

@@ -386,8 +386,10 @@ describe("DiscordVoiceManager", () => {
 
   const expectOffEventWithFunction = (source: MockCallSource, event: string) => {
     const call = Array.from(source.mock.calls).find((candidate) => candidate[0] === event);
-    expect(call, `${event} listener removal`).toBeDefined();
-    expect(call?.[1], `${event} listener`).toBeTypeOf("function");
+    if (!call) {
+      throw new Error(`Expected ${event} listener removal`);
+    }
+    expect(call[1], `${event} listener`).toBeTypeOf("function");
   };
 
   const lastAgentCommandArgs = () =>

extensions/qa-lab/src/live-transports/telegram/telegram-live.runtime.test.ts

@@ -28,8 +28,10 @@ vi.mock("openclaw/plugin-sdk/ssrf-runtime", async () => {
 
 function requireScenario<T extends { id: string }>(scenarios: T[], id: string): T {
   const scenario = scenarios.find((candidate) => candidate.id === id);
-  expect(scenario).toBeDefined();
-  return scenario as T;
+  if (!scenario) {
+    throw new Error(`Expected scenario ${id}`);
+  }
+  return scenario;
 }
 
 describe("telegram live qa runtime", () => {