public function testGetFields()
{
$request = new Request(['fields' => 'field1,field2,field3', 'sortBy' => 'id', 'sortOrder' => 'desc', 'search' => 'test', 'searchFields' => 'title', 'limit' => 10, 'page' => 3]);
$helper = new ListRestHelper($request, $this->em);
$this->assertEquals(['field1', 'field2', 'field3'], $helper->getFields());
$this->assertEquals(['id' => 'desc'], $helper->getSorting());
$this->assertEquals('test', $helper->getSearchPattern());
$this->assertEquals(['title'], $helper->getSearchFields());
$this->assertEquals(10, $helper->getLimit());
$this->assertEquals(20, $helper->getOffset());
}