diff --git a/package.json b/package.json
index 521084e68d..dcb25296fe 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "dependencies": {
-    "browser-ui-test": "0.21.0",
+    "browser-ui-test": "0.21.1",
     "eslint": "^8.57.1"
   },
   "scripts": {
diff --git a/tests/gui/sidebar.goml b/tests/gui/sidebar.goml
index b8c9a10d3b..6fe5a5ed39 100644
--- a/tests/gui/sidebar.goml
+++ b/tests/gui/sidebar.goml
@@ -43,8 +43,14 @@ define-function: (
     },
 )
 
+// Since the sidebar is visible, we should be able to find this text.
+assert-find-text: ("3.9. Links and Horizontal Rule", {"case-sensitive": true})
 call-function: ("hide-sidebar", {})
+// Text should not be findeable anymore since the sidebar is collapsed.
+assert-find-text-false: ("3.9. Links and Horizontal Rule", {"case-sensitive": true})
 call-function: ("show-sidebar", {})
+// We should be able to find this text again.
+assert-find-text: ("3.9. Links and Horizontal Rule", {"case-sensitive": true})
 
 // We now test on smaller width to ensure that the sidebar is collapsed by default.
 set-window-size: (900, 600)