public function testStrip()
 {
     $text = '__Some__ *random* text';
     $strippedText = 'Some random text';
     $this->parsedown->expects($this->once())->method('strip')->with($text)->willReturn($strippedText);
     $result = $this->extension->strip($text);
     $this->assertSame($strippedText, $result);
 }