Make bug52820.phpt more robust

Use a more robust error condition...

Author: nikic

ext/standard/tests/file/bug52820.phpt

@@ -7,15 +7,15 @@ if (!function_exists('zend_leak_variable'))
 /* unfortunately no standard function does a cast to FILE*, so we need
  * curl to test this */
 if (!extension_loaded("curl")) exit("skip curl extension not loaded");
-$handle=curl_init('http://127.0.0.1:37349/');
+$handle=curl_init('file:///i_dont_exist/');
 curl_setopt($handle, CURLOPT_VERBOSE, true);
 curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
 if (!curl_setopt($handle, CURLOPT_STDERR, fopen("php://memory", "w+")))
     die("skip fopencookie not supported on this platform");
 --FILE--
 <?php
 function do_stuff($url) {
-    $handle=curl_init('http://127.0.0.1:37349/');
+    $handle=curl_init('file:///i_dont_exist/');
     curl_setopt($handle, CURLOPT_VERBOSE, true);
     curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
     curl_setopt($handle, CURLOPT_STDERR, $o = fopen($url, "w+"));
@@ -42,22 +42,22 @@ echo "\nDone.\n";
 --EXPECTF--
 temp stream (close after):
 About to rewind!
-* %ATrying 127.0.0.1...%AConnection refused%A
+* Couldn't open file /i_dont_exist/
 * Closing connection%A%d
 
 memory stream (close after):
 About to rewind!
-* %ATrying 127.0.0.1...%AConnection refused%A
+* Couldn't open file /i_dont_exist/
 * Closing connection%A%d
 
 temp stream (leak):
 About to rewind!
-* %ATrying 127.0.0.1...%AConnection refused%A
+* Couldn't open file /i_dont_exist/
 * Closing connection%A%d
 
 memory stream (leak):
 About to rewind!
-* %ATrying 127.0.0.1...%AConnection refused%A
+* Couldn't open file /i_dont_exist/
 * Closing connection%A%d
 
 Done.