@covers PHPUnit_Framework_Assert::assertTag
public function testAssertChildSubChildren() {
$matcher = array(
'id' => 'test_id',
'child' => array(
'id' => 'test_child_id',
'child' => array(
'id' => 'test_subchild_id',
),
),
);
$this
->assertTag($matcher, $this->html);
}