Update tests for changes in lowlight

test.js

@@ -492,7 +492,7 @@ test('rehypeHighlight', async function (t) {
       [
         '<h1>Hello World!</h1>',
         '',
-        '<pre><code class="hljs language-scss">test <span class="hljs-attribute">normal</span> text</code></pre>'
+        '<pre><code class="hljs language-scss">test <span class="hljs-attribute">normal</span> <span class="hljs-selector-tag">text</span></code></pre>'
       ].join('\n')
     )