test(zone.js): reduce flakiness of a timer-related test (#59653)

AndrewKushnir · AndrewKushnir · commit 89b391c245ea · 2025-01-21T13:20:24.000-08:00
This commit updates a flaky test to increase the amount of work (more `for` loop iterations) to minimize the chance of getting the same timestamp after that work. PR Close #59653
diff --git a/packages/zone.js/test/jest/jest.spec.js b/packages/zone.js/test/jest/jest.spec.js
@@ -141,7 +141,7 @@ describe('jest modern fakeTimers with zone.js fakeAsync', () => {
     let d = fakeAsyncZoneSpec.getRealSystemTime();
     jest.setSystemTime(d);
     expect(Date.now()).toEqual(d);
-    for (let i = 0; i < 100000; i++) {}
+    for (let i = 0; i < 10_000_000; i++) {}
     expect(fakeAsyncZoneSpec.getRealSystemTime()).not.toEqual(d);
     d = fakeAsyncZoneSpec.getRealSystemTime();
     let timeoutTriggered = false;
