Piwik\Site::setSites PHP Method

    public static function setSites($sites)
    {
        self::triggerSetSitesEvent($sites);
        foreach ($sites as $idsite => $site) {
            self::setSiteFromArray($idsite, $site);
        }
    }

 /**
  * @dataProvider getUnitColumns
  * @group Core
  */
 public function testGetUnit($column, $expected)
 {
     Site::setSites(array(1 => array('name' => 'TestSite', 'currency' => 'EUR')));
     FakeAccess::$superUser = true;
     $actual = Metrics::getUnit($column, 1);
     $this->assertEquals($expected, $actual);
 }