tests: fixes session handler test [Closes #22]

Author: Majkl578

tests/Http/Session.handler.phpt

@@ -20,15 +20,17 @@ class MySessionStorage extends Object implements SessionHandlerInterface
 	function open($savePath, $sessionName)
 	{
 		$this->path = $savePath;
+		return TRUE;
 	}
 
 	function close()
 	{
+		return TRUE;
 	}
 
 	function read($id)
 	{
-		return @file_get_contents("$this->path/sess_$id");
+		return (string) @file_get_contents("$this->path/sess_$id");
 	}
 
 	function write($id, $data)
@@ -38,7 +40,7 @@ class MySessionStorage extends Object implements SessionHandlerInterface
 
 	function destroy($id)
 	{
-		return @unlink("$this->path/sess_$id");
+		return !is_file("$this->path/sess_$id") || @unlink("$this->path/sess_$id");
 	}
 
 	function gc($maxlifetime)