public function testScrapLinkGroup()
{
$client = new myClient();
$links_data = $client->scrapLinkGroup('http://php.net/', 'ul.nav a', 3);
$this->assertNotEmpty($links_data);
$this->assertLessThanOrEqual(count($links_data), 3);
//test limit param
//testing xpath selector for link group
$links_data2 = $client->scrapLinkGroup('http://php.net/', '//a', 4);
$this->assertNotEmpty($links_data2);
$this->assertLessThanOrEqual(count($links_data2), 4);
//test limit param
}
