public function testReportsExport()
 {
     $pid = Helper::getSomeProject();
     Helper::initProjectModel($pid);
     // Create few MB csv
     $csvFile = Helper::getTemp()->createTmpFile();
     $fp = fopen($csvFile, 'w');
     fwrite($fp, "id,name" . PHP_EOL);
     for ($i = 1; $i < 200000; $i++) {
         fwrite($fp, "{$i}," . uniqid() . PHP_EOL);
     }
     shell_exec("mv {$csvFile} " . Helper::getTemp()->getTmpFolder() . "/categories.csv");
     fclose($fp);
     $dirName = uniqid();
     $webDav = new WebDav(KBGDC_USERNAME, KBGDC_PASSWORD);
     $webDav->createFolder($dirName);
     $webDav->upload(__DIR__ . '/../../data/products.csv', $dirName);
     $webDav->upload(Helper::getTemp()->getTmpFolder() . "/categories.csv", $dirName);
     $webDav->upload(__DIR__ . '/../../data/upload_info.json', $dirName);
     Helper::getClient()->getDatasets()->loadData($pid, $dirName);
     $uri = Helper::createReport($pid);
     $report = Helper::getClient()->get($uri);
     $reports = new Reports($this->client);
     $resultUri = $reports->export($pid, $report['report']['content']['definitions'][0]);
     $csvFile = Helper::getTemp()->getTmpFolder() . '/' . uniqid() . '.csv';
     $this->client->getToFile($resultUri, $csvFile);
     $this->assertTrue(file_exists($csvFile));
     $this->assertGreaterThan(4800000, filesize($csvFile));
 }