test: reduce string concatenations

PR-URL: https://github.com/nodejs/node/pull/12735
Refs: https://github.com/nodejs/node/pull/12455
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/test/parallel/test-tls-securepair-server.js b/test/parallel/test-tls-securepair-server.js
index ea6c8e98a9..00e8cd591f 100644
--- a/test/parallel/test-tls-securepair-server.js
+++ b/test/parallel/test-tls-securepair-server.js
@@ -44,11 +44,11 @@ const key = fs.readFileSync(join(common.fixturesDir, 'agent.key')).toString();
 const cert = fs.readFileSync(join(common.fixturesDir, 'agent.crt')).toString();
 
 function log(a) {
-  console.error('***server*** ' + a);
+  console.error(`***server*** ${a}`);
 }
 
 const server = net.createServer(common.mustCall(function(socket) {
-  log('connection fd=' + socket.fd);
+  log(`connection fd=${socket.fd}`);
   const sslcontext = tls.createSecureContext({key: key, cert: cert});
   sslcontext.context.setCiphers('RC4-SHA:AES128-SHA:AES256-SHA');
 
@@ -70,7 +70,7 @@ const server = net.createServer(common.mustCall(function(socket) {
   });
 
   pair.cleartext.on('data', function(data) {
-    log('read bytes ' + data.length);
+    log(`read bytes ${data.length}`);
     pair.cleartext.write(data);
   });