public function testRemoveAttributes()
{
$this->assertStringEqualsFile($this->filePath . '/removeattributes-1-expected.html', Html::removeAttributes(file_get_contents($this->filePath . '/removeattributes-1.html')));
$this->assertStringEqualsFile($this->filePath . '/removeattributes-2-expected.html', Html::removeAttributes(file_get_contents($this->filePath . '/removeattributes-2.html'), ['href', 'title']));
}