public function testAddBranch()
{
$tree = array(array('name' => 'First Nav Item', 'href' => '/first'));
$branch = array('name' => 'Second Nav Item', 'href' => '/second');
$n = new Nav();
$n->setTree($tree);
$n->addBranch($branch);
$t = $n->getTree();
$this->assertEquals('Second Nav Item', $t[1]['name']);
}
