process: improve unhandled rejection message

PR-URL: https://github.com/nodejs/node/pull/17158
Refs: https://github.com/nodejs/node/pull/16768
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 10 insertions, 3 deletions

diff --git a/test/parallel/test-promises-unhandled-symbol-rejections.js b/test/parallel/test-promises-unhandled-symbol-rejections.js
index a60a5f2e8a..3e687d4e49 100644
--- a/test/parallel/test-promises-unhandled-symbol-rejections.js
+++ b/test/parallel/test-promises-unhandled-symbol-rejections.js
@@ -1,17 +1,24 @@
 'use strict';
 const common = require('../common');
 
+const expectedValueWarning = 'Symbol()';
 const expectedDeprecationWarning = 'Unhandled promise rejections are ' +
                                    'deprecated. In the future, promise ' +
                                    'rejections that are not handled will ' +
                                    'terminate the Node.js process with a ' +
                                    'non-zero exit code.';
-const expectedPromiseWarning = 'Unhandled promise rejection (rejection id: ' +
-                               '1): Symbol()';
+const expectedPromiseWarning = 'Unhandled promise rejection. ' +
+  'This error originated either by throwing ' +
+  'inside of an async function without a catch ' +
+  'block, or by rejecting a promise which was ' +
+  'not handled with .catch(). (rejection id: 1)';
 
 common.expectWarning({
   DeprecationWarning: expectedDeprecationWarning,
-  UnhandledPromiseRejectionWarning: expectedPromiseWarning,
+  UnhandledPromiseRejectionWarning: [
+    expectedPromiseWarning,
+    expectedValueWarning
+  ],
 });
 
 // ensure this doesn't crash