test: remove `util.inherits()` usage

PR-URL: https://github.com/nodejs/node/pull/25245
Refs: https://github.com/nodejs/node/pull/24755
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

1 files changed, 4 insertions, 3 deletions

diff --git a/test/parallel/test-event-emitter-prepend.js b/test/parallel/test-event-emitter-prepend.js
index 3259ea47f9..c5cf009259 100644
--- a/test/parallel/test-event-emitter-prepend.js
+++ b/test/parallel/test-event-emitter-prepend.js
@@ -31,7 +31,6 @@ common.expectsError(() => {
 
 // Test fallback if prependListener is undefined.
 const stream = require('stream');
-const util = require('util');
 
 delete EventEmitter.prototype.prependListener;
 
@@ -39,13 +38,15 @@ function Writable() {
   this.writable = true;
   stream.Stream.call(this);
 }
-util.inherits(Writable, stream.Stream);
+Object.setPrototypeOf(Writable.prototype, stream.Stream.prototype);
+Object.setPrototypeOf(Writable, stream.Stream);
 
 function Readable() {
   this.readable = true;
   stream.Stream.call(this);
 }
-util.inherits(Readable, stream.Stream);
+Object.setPrototypeOf(Readable.prototype, stream.Stream.prototype);
+Object.setPrototypeOf(Readable, stream.Stream);
 
 const w = new Writable();
 const r = new Readable();