public function testParallelSelect()
{
$expression = Fixtures::getSelect();
$queryX = $this->getQueryMock($expression);
$queryX->expects($this->once())->method('resolve');
$queryY = $this->getQueryMock($expression);
$queryY->expects($this->once())->method('resolve');
$queries = new \ArrayObject([$queryX, $queryY]);
$this->reactor->execIterator($queries->getIterator())->await();
}