diff --git a/tests/fixtures/competency/stale-doc-conflict/README.md b/tests/fixtures/competency/stale-doc-conflict/README.md
new file mode 100644
index 0000000..e20cba0
--- /dev/null
+++ b/tests/fixtures/competency/stale-doc-conflict/README.md
@@ -0,0 +1,3 @@
+# Payments
+
+Checkout always charges the card synchronously before returning success.
diff --git a/tests/fixtures/competency/stale-doc-conflict/SCENARIO.md b/tests/fixtures/competency/stale-doc-conflict/SCENARIO.md
new file mode 100644
index 0000000..ed9fe8f
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+++ b/tests/fixtures/competency/stale-doc-conflict/SCENARIO.md
@@ -0,0 +1,5 @@
+# Stale documentation contradicts implementation
+
+Question: Is payment charged synchronously during checkout?
+
+Expected: preserve the README claim as contradictory documentation, ground current behavior in source, and avoid silently choosing documentation over implementation.
diff --git a/tests/fixtures/competency/stale-doc-conflict/checkout.py b/tests/fixtures/competency/stale-doc-conflict/checkout.py
new file mode 100644
index 0000000..bf882a9
--- /dev/null
+++ b/tests/fixtures/competency/stale-doc-conflict/checkout.py
@@ -0,0 +1,3 @@
+def checkout(queue, order):
+    queue.enqueue('charge-card', order.id)
+    return {'accepted': True}