See following for blacklist: https://github.com/ampproject/amphtml/blob/master/spec/amp-html-format.md#html-tags
Inheritance: extends AMP_Base_Sanitizer
 /**
  * @dataProvider get_data
  */
 public function test_sanitizer($source, $expected)
 {
     $dom = AMP_DOM_Utils::get_dom_from_content($source);
     $sanitizer = new AMP_Blacklist_Sanitizer($dom);
     $sanitizer->sanitize();
     $content = AMP_DOM_Utils::get_content_from_dom($dom);
     $this->assertEquals($expected, $content);
 }