/**
  * @covers \NewFrontiers\Framework\Output\FlashMessage::__construct
  * @covers \NewFrontiers\Framework\Output\FlashMessage::toHtml
  */
 public function testToHtml()
 {
     $flashMessage = new FlashMessage("Hallo Welt!", "mystring42");
     $html = $flashMessage->toHtml();
     $this->assertNotEmpty($html);
     $dom = new \DOMDocument();
     $dom->validateOnParse = true;
     $isValid = $dom->loadHTML($html);
     $this->assertTrue($isValid);
     //check that at least the level or the message is in the output string
     $this->assertRegExp('/.*(mystring42|Hallo Welt!)+.*/', $html);
 }