PayPal\Core\PayPalHttpConfig::setUserAgent PHP Method

    public function setUserAgent($userAgentString)
    {
        $this->curlOptions[CURLOPT_USERAGENT] = $userAgentString;
    }

 /**
  * @test
  */
 public function testUserAgent()
 {
     $ua = 'UAString';
     $o = new PayPalHttpConfig();
     $o->setUserAgent($ua);
     $curlOpts = $o->getCurlOptions();
     $this->assertEquals($ua, $curlOpts[CURLOPT_USERAGENT]);
 }