public function testSSLOpts()
{
$sslCert = '../cacert.pem';
$sslPass = 'passPhrase';
$o = new PayPalHttpConfig();
$o->setSSLCert($sslCert, $sslPass);
$curlOpts = $o->getCurlOptions();
$this->assertArrayHasKey(CURLOPT_SSLCERT, $curlOpts);
$this->assertEquals($sslPass, $curlOpts[CURLOPT_SSLCERTPASSWD]);
}