public function testNavMerge()
{
$foo = array('title' => 'foo', 'access' => array('public', 'admin'));
$bar = array('title' => 'bar', 'access' => array('admin'));
CroogoNav::clear();
CroogoNav::add('foo', $foo);
CroogoNav::add('foo', $bar);
$items = CroogoNav::items();
$expected = array('admin', 'public');
sort($expected);
sort($items['foo']['access']);
$this->assertEquals($expected, $items['foo']['access']);
}