the evaluation delimiters changed.

src/sections/items.tex

@@ -301,8 +301,8 @@ tm = require("testium")
     name: check test item example
     values:
         - True
-        - $|$(last_test_result) == 3|
-        - $|"my string" in "$(my_global_variable)"|
+        - <|$(last_test_result) == 3|>
+        - <|"my string" in "$(my_global_variable)"|>
     \end{minted}
   \end{itemize}
 \end{frame}