public function testToArray()
{
$feed = new CellFeed($this->getSimpleXMLElement("cell-feed"));
$expected = [1 => [1 => "Name", 2 => "Age"], 2 => [1 => "Asim", 2 => "99"], 3 => [1 => "Other", 2 => "18"]];
$this->assertEquals($expected, $feed->toArray());
}