test: fix strictEqual assertion argument in test-tls-ecdh-auto

PR-URL: #23530
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Gireesh Punathil <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>

test/parallel/test-tls-ecdh-auto.js

@@ -48,7 +48,7 @@ server.listen(0, function() {
   });
 
   client.on('exit', function(code) {
-    assert.strictEqual(0, code);
+    assert.strictEqual(code, 0);
     server.close();
   });