Minor update to a test

.. just because I realized that I had "Hello again x4" followed by
"Hello again x6", but no "Hello again x5" :)

test/site/content-org/all-posts.org

@@ -537,6 +537,13 @@ This code block contains a fenced code block with 6 backticks:
 ``````
 #+END_SRC
 
+This code block again contains a fenced code block with 3 backticks:
+#+BEGIN_SRC md
+```emacs-lisp
+(message "Hello again x5")
+```
+#+END_SRC
+
 This code block once again contains no backticks:
 #+BEGIN_SRC emacs-lisp
 (message "Hello again x6")

test/site/content/posts/code-fenced-src-blocks-with-backticks.md

@@ -42,6 +42,14 @@ This code block contains a fenced code block with 6 backticks:
 ``````
 ```````
 
+This code block again contains a fenced code block with 3 backticks:
+
+```````md
+```emacs-lisp
+(message "Hello again x5")
+```
+```````
+
 This code block once again contains no backticks:
 
 ```````emacs-lisp