Fix test

Author: javiereguiluz

tests/fixtures/expected/blocks/code-blocks/diff.html

@@ -10,14 +10,14 @@
                 <span class="hljs-addition">+ Added line</span>
                 <span class="hljs-deletion">- Removed line</span>
                 Normal line
-                <span class="hljs-deletion">- Removed line</span>
+<span class="hljs-deletion">- Removed line</span>
                 <span class="hljs-addition">+ Added line</span>
             </code>
         </pre>
     </div>
 </div>
 
-<div translate="no" data-loc="5" class="notranslate codeblock codeblock-length-sm codeblock-diff">
+<div translate="no" data-loc="6" class="notranslate codeblock codeblock-length-sm codeblock-diff">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1
 2
@@ -28,10 +28,10 @@
         <pre class="codeblock-code">
             <code>
                 Normal line
-                <span class="hljs-addition">+ Added line</span>
+<span class="hljs-addition">+ Added line</span>
                 <span class="hljs-deletion">- Removed line</span>
                 Normal line
-                <span class="hljs-deletion">- Removed line</span>
+<span class="hljs-deletion">- Removed line</span>
                 <span class="hljs-addition">+ Added line</span>
             </code>
         </pre>