public function testAuthCheckCaptcha()
{
$GLOBALS['cfg']['CaptchaLoginPrivateKey'] = 'testprivkey';
$GLOBALS['cfg']['CaptchaLoginPublicKey'] = 'testpubkey';
$_POST["g-recaptcha-response"] = '';
$_REQUEST['pma_username'] = 'testPMAUser';
$this->assertFalse($this->object->authCheck());
$this->assertEquals('Please enter correct captcha!', $GLOBALS['conn_error']);
}