public function testSendNo()
{
$client = new Client();
$client->setId(1);
$this->assertEquals('* NO text1' . Client::MSG_SEPARATOR, $client->sendNo('text1'));
$this->assertEquals('tag1 NO text1' . Client::MSG_SEPARATOR, $client->sendNo('text1', 'tag1'));
$this->assertEquals('tag1 NO [code1] text1' . Client::MSG_SEPARATOR, $client->sendNo('text1', 'tag1', 'code1'));
$this->assertEquals('* NO [code1] text1' . Client::MSG_SEPARATOR, $client->sendNo('text1', null, 'code1'));
}