fix test

Author: nielsdos

ext/pgsql/tests/gh17158.phpt

@@ -2,25 +2,15 @@
 GH-17158 (pg_fetch_result Shows Incorrect ArgumentCountError Message when Called With 1 Argument)
 --EXTENSIONS--
 pgsql
---SKIPIF--
-<?php include("skipif.inc"); ?>
 --FILE--
 <?php
 
-include('config.inc');
-
-$db = pg_connect($conn_str);
-
-$result = pg_query($db, "SELECT * FROM ".$table_name.";");
 try {
-    pg_fetch_result($result);
+    pg_fetch_result(null);
 } catch (ArgumentCountError $e) {
     echo $e->getMessage(), "\n";
 }
 
-pg_free_result($result);
-pg_close($db);
-
 ?>
 --EXPECT--
-pg_fetch_result() expects 2 or 3 arguments, 1 given
+pg_fetch_result() expects at least 2 arguments, 1 given