public function testRenderWithBoldStrongItalicEm()
 {
     $blockquote = Blockquote::create()->appendText(Bold::create()->appendText('Some'))->appendText(' text to be ')->appendText(Italic::create()->appendText('within'))->appendText(' a ')->appendText(Italic::create()->appendText('blockquote'))->appendText(' for ')->appendText(Bold::create()->appendText('testing.'));
     $expected = '<blockquote>' . '<b>Some</b> text to be <i>within</i> a <i>blockquote</i> for <b>testing.</b>' . '</blockquote>';
     $rendered = $blockquote->render();
     $this->assertEquals($expected, $rendered);
 }