public function testPagerEmptyPager()
{
$app = $this->getApp();
$pager = $this->getMockBuilder(PagerManager::class)->setMethods(['isEmptyPager'])->getMock();
$pager->expects($this->once())->method('isEmptyPager')->will($this->returnValue(true));
$app['pager'] = $pager;
$handler = new RecordHandler($app);
$env = $app['twig'];
$pagerName = 'Clippy';
$surr = 4;
$template = '_sub_pager.twig';
$class = '';
$result = $handler->pager($env, $pagerName, $surr, $template, $class);
$this->assertSame('', $result);
}