Fix unit tests as parse_url does not work when there is no scheme on 5.3 till 5.4.7 refs #6652

tests/PHPUnit/Unit/UrlHelperTest.php

@@ -8,6 +8,7 @@
 
 namespace Piwik\Tests\Unit;
 
+use Piwik\Tests\Framework\TestCase\SystemTestCase;
 use Piwik\UrlHelper;
 use Spyc;
 
@@ -204,11 +205,22 @@ class Core_UrlHelperTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('', UrlHelper::getHostFromUrl(null));
         $this->assertEquals('localhost', UrlHelper::getHostFromUrl('http://localhost'));
         $this->assertEquals('localhost', UrlHelper::getHostFromUrl('http://localhost/path'));
-        $this->assertEquals('localhost', UrlHelper::getHostFromUrl('//localhost/path'));
-        $this->assertEquals('localhost', UrlHelper::getHostFromUrl('//localhost/path?test=test2'));
         $this->assertEquals('localhost', UrlHelper::getHostFromUrl('localhost/path'));
         $this->assertEquals('sub.localhost', UrlHelper::getHostFromUrl('sub.localhost/path'));
         $this->assertEquals('sub.localhost', UrlHelper::getHostFromUrl('http://sub.localhost/path/?query=test'));
+
+        if(SystemTestCase::isPhpVersion53()) {
+            //parse_url was fixed in 5,4,7
+            //  Fixed host recognition when scheme is omitted and a leading component separator is present.
+            // http://php.net/parse_url
+            return;
+        }
+
+        $this->assertEquals('localhost', UrlHelper::getHostFromUrl('//localhost/path'));
+        $this->assertEquals('localhost', UrlHelper::getHostFromUrl('//localhost/path?test=test2'));
+        $this->assertEquals('example.org', UrlHelper::getHostFromUrl('//example.org/path'));
+        $this->assertEquals('example.org', UrlHelper::getHostFromUrl('//example.org/path?test=test2'));
+
     }
 
     /**