/**
  * @testdox getElementsByRegexp() can return elements created via <xsl:copy-of/>
  */
 public function testGetElementsByRegexp()
 {
     $dom = TemplateHelper::loadTemplate('<xsl:copy-of select="x"/><xsl:copy-of select="foo"/>');
     $this->assertSame([$dom->firstChild->firstChild->nextSibling], TemplateHelper::getElementsByRegexp($dom, '/^foo$/'));
 }