diff --git a/tests/test_utils_richcfg.py b/tests/test_utils_richcfg.py
index 10ea78138..0ba50dc21 100644
--- a/tests/test_utils_richcfg.py
+++ b/tests/test_utils_richcfg.py
@@ -93,7 +93,10 @@ def test_rich_inspector_outputs_more_than_builtin(monkeypatch):
     assert "name = 'Alice'" in rich_text
 
     # Built-in inspector does NOT show instance values
-    assert "30" not in builtin_text
+    assert "30" not in "\n".join(
+        line for line in builtin_text.splitlines()
+        if not line.strip().startswith("String form:") # id in this line that can contain the number 30 
+    )
     assert "Alice" not in builtin_text
 
     # Built-in inspector only shows the raw __init__ function