app['config']->set('purify.serializer', [ 'driver' => 'file', 'cache' => CacheDefinitionCache::class, ]); } public function test_cache_can_be_used() { Purify::clean('foo'); $dir = $this->app['config']->get('cache.stores.file.path'); $this->assertTrue( Finder::create() ->in($dir) ->depth(0) ->hasResults() ); } }