From 39e30ad0bc2a5702d25cab0e44e2feb48536eb36 Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Fri, 18 May 2018 00:02:29 +0200
Subject: [PATCH] test: improve assertion in test-performance

---
 test/sequential/test-performance.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/sequential/test-performance.js b/test/sequential/test-performance.js
index ea7e17e18dbe99..c26a7df7616025 100644
--- a/test/sequential/test-performance.js
+++ b/test/sequential/test-performance.js
@@ -60,7 +60,9 @@ function checkNodeTiming(props) {
       const delta = performance.nodeTiming[prop] - props[prop].around;
       assert(Math.abs(delta) < 1000);
     } else {
-      assert.strictEqual(performance.nodeTiming[prop], props[prop]);
+      assert.strictEqual(performance.nodeTiming[prop], props[prop],
+                         `mismatch for performance property ${prop}: ` +
+                         `${performance.nodeTiming[prop]} vs ${props[prop]}`);
     }
   }
 }