public function testSetOrder()
{
$this->collection->setOrder('code', \Magento\Framework\Data\Collection::SORT_ORDER_ASC);
$this->collection->loadData();
$items = $this->collection->getItems();
$this->assertEquals(4, count($items));
$this->assertEquals('General', $items[0]->getCode());
$this->assertEquals('1', $items[0]->getId());
$this->assertEquals('3', $items[0]->getTaxClassId());
$this->assertEquals('NOT LOGGED IN', $items[1]->getCode());
$this->assertEquals('0', $items[1]->getId());
$this->assertEquals('3', $items[1]->getTaxClassId());
$this->assertEquals('Retailer', $items[2]->getCode());
$this->assertEquals('3', $items[2]->getId());
$this->assertEquals('3', $items[2]->getTaxClassId());
$this->assertEquals('Wholesale', $items[3]->getCode());
$this->assertEquals('2', $items[3]->getId());
$this->assertEquals('3', $items[3]->getTaxClassId());
}
