revert my previous change, tests hangs on windows

sapi/cli/tests/php_cli_server.inc

@@ -12,7 +12,7 @@ function php_cli_server_start($code = 'echo "Hello world";', $no_router = FALSE)
 	$descriptorspec = array(
 		0 => STDIN,
 		1 => STDOUT,
-		2 => array("pipe", "w"),
+		2 => STDERR,
 	);
 
 	if (substr(PHP_OS, 0, 3) == 'WIN') {
@@ -21,35 +21,25 @@ function php_cli_server_start($code = 'echo "Hello world";', $no_router = FALSE)
 			$cmd .= " {$router}";
 		}
 
-		$handle = proc_open(addslashes($cmd), $descriptorspec, $pipes, $doc_root, NULL, array("bypass_shell" => true));
+		$handle = proc_open(addslashes($cmd), $descriptorspec, $pipes, $doc_root, NULL, array("bypass_shell" => true,  "suppress_errors" => true));
 	} else {
 		$cmd = "exec {$php_executable} -t {$doc_root} -S " . PHP_CLI_SERVER_ADDRESS;
 		if (!$no_router) {
 			$cmd .= " {$router}";
 		}
+		$cmd .= " 2>/dev/null";
 
 		$handle = proc_open($cmd, $descriptorspec, $pipes, $doc_root);
 	}
 
-	//@FIXME is there a better way to make sure the process is ready?
-	usleep(50000);
-
-	stream_set_blocking($pipes[2], 0);
-	if ($err = stream_get_contents($pipes[2])) {
-		fclose($pipes[2]);
-		proc_terminate($handle);
-		@unlink(__DIR__ . "/{$router}");
-		die("Cli sever could not be started: " . $err);
-	}
-
 	register_shutdown_function(
-		function($handle, $router, $pipes) {
-			stream_get_contents($pipes[2]);
-			fclose($pipes[2]);
+		function($handle) use($router) {
 			proc_terminate($handle);
 			@unlink(__DIR__ . "/{$router}");
 		},
-			$handle, $router, $pipes
+			$handle
 		);
+	usleep(50000);
 }
 ?>
+