refactor: fix timing range test issue in CI

Author: John Doe

packages/utils/src/lib/clock-epoch.int.test.ts

@@ -27,7 +27,7 @@ describe('epochClock', () => {
     expect(nowUs).toBe(Math.round(nowUs));
     const expectedUs = Date.now() * 1000;
 
-    expect(nowUs).toBeWithin(expectedUs - 1000, expectedUs + 1000);
+    expect(nowUs).toBeWithin(expectedUs - 2000, expectedUs + 1000);
   });
 
   it('should convert epoch milliseconds to microseconds correctly', () => {