public function test_clear_data_bulk() { $storage = new Session(); foreach ((array) $this->some_randome_session_data() as $key => $value) { $storage->set($key, $value); } $storage->clear(); foreach ((array) $this->some_randome_session_data() as $key => $value) { $data = $storage->get($key); $this->assertNull($data); } }