public function testFetchSchema()
{
$response = (new Command\Builder\Search\FetchSchema(static::$riak))->withName('_yz_default')->build()->execute();
$this->assertEquals('200', $response->getCode(), $response->getMessage());
$this->assertEquals('application/xml', $response->getContentType());
$this->assertNotEmpty($response->getSchema());
static::$default_schema = $response->getSchema();
}