diff --git a/test/parallel/test-promises-unhandled-proxy-rejections.js b/test/parallel/test-promises-unhandled-proxy-rejections.js
index 31d2ed27ed0205..3a4f2d1ba8b3ac 100644
--- a/test/parallel/test-promises-unhandled-proxy-rejections.js
+++ b/test/parallel/test-promises-unhandled-proxy-rejections.js
@@ -15,7 +15,8 @@ const expectedPromiseWarning = ['Unhandled promise rejection. ' +
   'not handled with .catch(). To terminate the ' +
   'node process on unhandled promise rejection, ' +
   'use the CLI flag `--unhandled-rejections=strict` (see ' +
-  'https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)'];
+  'https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). ' +
+  '(rejection id: 1)'];
 
 function throwErr() {
   throw new Error('Error from proxy');
diff --git a/test/parallel/test-promises-unhandled-symbol-rejections.js b/test/parallel/test-promises-unhandled-symbol-rejections.js
index 3672c8700d6744..2851ce977fc4d0 100644
--- a/test/parallel/test-promises-unhandled-symbol-rejections.js
+++ b/test/parallel/test-promises-unhandled-symbol-rejections.js
@@ -16,7 +16,8 @@ const expectedPromiseWarning = ['Unhandled promise rejection. ' +
   'not handled with .catch(). To terminate the ' +
   'node process on unhandled promise rejection, ' +
   'use the CLI flag `--unhandled-rejections=strict` (see ' +
-  'https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)'];
+  'https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). ' +
+  '(rejection id: 1)'];
 
 common.expectWarning({
   DeprecationWarning: expectedDeprecationWarning,