public function test_add_attributes_to_node__attribute_with_value()
{
$dom = AMP_DOM_Utils::get_dom_from_content('<p>Hello World</p>');
$node = $dom->createElement('div');
$attributes = array('class' => 'myClass', 'id' => 'myId');
AMP_DOM_Utils::add_attributes_to_node($node, $attributes);
$this->assertTrue($node->hasAttributes());
$this->check_node_has_attributes($node, $attributes);
}