$data = hook_markdown_render_linklist($data, $this->conf);
$this->assertNotFalse(strpos($data['links'][0]['description'], '<h1>'));
$this->assertNotFalse(strpos($data['links'][0]['description'], '<p>'));
$data = hook_markdown_render_linklist($data, $this->conf);
$this->assertNotFalse(strpos($data['links'][0]['description'], '<h1>'));
$this->assertNotFalse(strpos($data['links'][0]['description'], '<p>'));