public function testsetSessionInboundFoldersString()
 {
     $inboundEmail = new InboundEmail();
     $result = $inboundEmail->setSessionInboundFoldersString('mail.google.com', 'test', 22, 'IMAP', 'foldersList string');
     $this->assertEquals('foldersList string', $_SESSION['mail.google.comtest22IMAPfoldersList']);
 }