From 5cd56259f75e4e731f358f8cd2a9c9c0a7c19e09 Mon Sep 17 00:00:00 2001
From: Samuel Gunter <29130894+Samathingamajig@users.noreply.github.com>
Date: Mon, 24 Mar 2025 02:28:41 -0500
Subject: [PATCH] test: fix flaky sleep test (#571)

---
 src/shared/util/tests/time.test.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/shared/util/tests/time.test.ts b/src/shared/util/tests/time.test.ts
index 74ed4a10..53f3ca74 100644
--- a/src/shared/util/tests/time.test.ts
+++ b/src/shared/util/tests/time.test.ts
@@ -3,11 +3,13 @@ import { describe, expect, it } from 'vitest';
 
 describe('sleep', () => {
     it('should resolve after the specified number of milliseconds', async () => {
-        const start = Date.now();
+        const start = performance.now();
         const milliseconds = 1000;
         await sleep(milliseconds);
-        const end = Date.now();
+        const end = performance.now();
         const elapsed = end - start;
-        expect(elapsed).toBeGreaterThanOrEqual(milliseconds);
+        // Flaky test due to JS's lack of precision in setTimeout,
+        // so we allow for a 1ms difference
+        expect(elapsed).toBeGreaterThanOrEqual(milliseconds - 1);
     });
 });