function test_update()
{
$name = "cconeus";
$rank = "Leader";
$join = '2014-09-15';
$test_rank = new Clan($id, $name, $rank, $join);
$test_rank->save();
$new_test_rank = "Co-Leader";
$test_rank->update($new_test_rank);
$this->assertEquals("Co-Leader", $test_rank->getRank());
}