diff --git a/cayceops/tests/test_demo_rojo.py b/cayceops/tests/test_demo_rojo.py
new file mode 100644
index 0000000..91a9d7c
--- /dev/null
+++ b/cayceops/tests/test_demo_rojo.py
@@ -0,0 +1,2 @@
+def test_rojo_demo():
+    assert False, "rompe a proposito — verifica pipefail del CI (r20)"