test: refresh tmpdir in child-process-server-close

PR-URL: nodejs#26729
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/parallel/test-child-process-server-close.js

@@ -4,6 +4,9 @@ const common = require('../common');
 const { spawn } = require('child_process');
 const net = require('net');
 
+const tmpdir = require('../common/tmpdir');
+tmpdir.refresh();
+
 const server = net.createServer((conn) => {
   conn.on('close', common.mustCall());