public function testShouldUseOutputFrontend()
{
$time = date('H:i:s');
$frontCache = new CacheOutput(['lifetime' => 10]);
$cache = new CacheAerospike($frontCache, $this->getConfig());
ob_start();
$content = $cache->start('test-output');
$this->keys[] = 'test-output';
$this->assertNull($content);
echo $time;
$obContent = ob_get_contents();
$cache->save(null, null, null, true);
ob_end_clean();
$this->assertEquals($time, $obContent);
$this->assertEquals($time, $cache->get('test-output'));
$content = $cache->start('test-output');
$this->assertEquals($content, $obContent);
$this->assertEquals($content, $cache->get('test-output'));
$keys = $cache->queryKeys();
$this->assertEquals([0 => 'test-output'], $keys);
}