Phalcon\Test\Unit\Cache\Backend\ApcCest::prefixedQueryKeys PHP Method

    public function prefixedQueryKeys(UnitTester $I)
    {
        $I->wantTo('Get prefixed cache keys by using APC(u) as cache backend');
        $prefix = 'app-data';
        $cache = new Apc(new Data(['lifetime' => 20]), ['prefix' => $prefix]);
        $key1 = '_PHCA' . 'app-data' . 'data-key-1';
        $key2 = '_PHCA' . 'app-data' . 'data-key-2';
        $key3 = '_PHCA' . 'data-key-3';
        $I->haveInApc([$key1 => 1, $key2 => 2, $key3 => 3], null);
        $keys = $cache->queryKeys($prefix);
        sort($keys);
        $I->assertEquals($keys, ['app-datadata-key-1', 'app-datadata-key-2']);
    }