From 603bb0281d1115ef362284a210542ccb0eb64b7f Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Thu, 23 Aug 2018 22:40:01 +0200
Subject: [PATCH] test: improve assertions in test-cli-node-print-help

---
 test/parallel/test-cli-node-print-help.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/parallel/test-cli-node-print-help.js b/test/parallel/test-cli-node-print-help.js
index ad6da699e41c61..ca880969166f62 100644
--- a/test/parallel/test-cli-node-print-help.js
+++ b/test/parallel/test-cli-node-print-help.js
@@ -44,11 +44,13 @@ function validateNodePrintHelp() {
 function testForSubstring(options) {
   if (options.compileConstant) {
     options.flags.forEach((flag) => {
-      assert.strictEqual(stdOut.indexOf(flag) !== -1, true);
+      assert.strictEqual(stdOut.indexOf(flag) !== -1, true,
+                         `Missing flag ${flag} in ${stdOut}`);
     });
   } else {
     options.flags.forEach((flag) => {
-      assert.strictEqual(stdOut.indexOf(flag), -1);
+      assert.strictEqual(stdOut.indexOf(flag), -1,
+                         `Unexpected flag ${flag} in ${stdOut}`);
     });
   }
 }