test: changes to use template literal

joanne-jjb · BridgeAR · commit 31ab2ebbdea7 · 2017-10-08T15:46:11.000-07:00
PR-URL: nodejs#15937 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Tobias Nießen <tniessen@tnie.de>
diff --git a/test/parallel/test-cluster-disconnect-race.js b/test/parallel/test-cluster-disconnect-race.js
@@ -24,7 +24,7 @@ if (cluster.isMaster) {
   }));
 
   cluster.on('exit', common.mustCall(function(worker, code) {
-    assert.strictEqual(code, 0, 'worker exited with error');
+    assert.strictEqual(code, 0, `worker exited with error code ${code}`);
   }, 2));
 
   return;
