diff --git a/tests/cases/expressions.html b/tests/cases/expressions.html
index 78aa546..34cd0fc 100644
--- a/tests/cases/expressions.html
+++ b/tests/cases/expressions.html
@@ -50,3 +50,7 @@
 
 now <span class="Operator">:=</span> <span class="Function">datetime</span>(<span class="String">'%Y-%m-%d %H:%M:%S %Z'</span>)
 now_utc <span class="Operator">:=</span> <span class="Function">datetime_utc</span>(<span class="String">'%Y-%m-%d %H:%M:%S %Z'</span>)
+
+<span class="Type">[private]</span>
+hidden <span class="Operator">:=</span> <span class="String">'foo'</span>
+not_hidden <span class="Operator">:=</span> <span class="String">'-'</span> <span class="Operator">+</span> hidden
diff --git a/tests/cases/expressions.just b/tests/cases/expressions.just
index 85468ff..5ba95b5 100644
--- a/tests/cases/expressions.just
+++ b/tests/cases/expressions.just
@@ -50,3 +50,7 @@ unexport QT_QPA_PLATFORMTHEME
 
 now := datetime('%Y-%m-%d %H:%M:%S %Z')
 now_utc := datetime_utc('%Y-%m-%d %H:%M:%S %Z')
+
+[private]
+hidden := 'foo'
+not_hidden := '-' + hidden