From 219ce8a9ccf4b61a2e28cbb0494eee4ad15868f4 Mon Sep 17 00:00:00 2001
From: Dan Abramov <dan.abramov@gmail.com>
Date: Thu, 21 Feb 2019 18:14:32 +0000
Subject: [PATCH] Fix tracing fixture (#14917)

---
 fixtures/tracing/script.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fixtures/tracing/script.js b/fixtures/tracing/script.js
index 48d98308ea..7210d39e6a 100644
--- a/fixtures/tracing/script.js
+++ b/fixtures/tracing/script.js
@@ -36,7 +36,8 @@ function checkSchedulerAPI() {
       throw 'API is not defined';
     }
 
-    if (Scheduler.unstable_now() !== performance.now()) {
+    const abs = Math.abs(Scheduler.unstable_now() - performance.now());
+    if (typeof abs !== 'number' || Number.isNaN(abs) || abs > 5) {
       throw 'API does not work';
     }