public function getApiForTesting()
 {
     $result = parent::getApiForTesting();
     // Tests that getting a visits summary metric (nb_visits) & a Goal's metric (Goal_revenue)
     // at the same time works.
     $dateTime = '2010-01-03,2010-01-06';
     $columns = 'nb_visits,' . Piwik_Goals::getRecordName('conversion_rate');
     $result[] = array('VisitsSummary.get', array('idSite' => 'all', 'date' => $dateTime, 'periods' => 'range', 'otherRequestParameters' => array('columns' => $columns), 'testSuffix' => '_getMetricsFromDifferentReports'));
     return $result;
 }