fix: unit test

Author: hentrymartin

__tests__/shared/utils/__snapshots__/markdown.js.snap

@@ -1203,7 +1203,7 @@ Array [
         A list item with a code block:
       </p>
       <code>
-        &lt;code goes here&gt;
+        &lt;code&gt;
 
       </code>
     </li>
@@ -1294,7 +1294,7 @@ end tell
     ampersands and angle brackets. For example, this:
   </p>,
   <code>
-    &lt;div class="footer"&gt;
+    &lt;div&gt;
     &copy; 2004 Foo Corporation
 &lt;/div&gt;
 

src/shared/utils/markdown.js

@@ -208,7 +208,7 @@ function renderToken(tokens, index, md) {
       return renderTokens(token.children, 0, md);
       /* eslint-enable no-use-before-define */
     case 'text':
-      return token.content;
+      return sanitizeContent(token.content);
     case 'fence':
       return Highlighter({
         codeString: token.content,