diff --git a/tests/fixtures/competency/factory-registration/SCENARIO.md b/tests/fixtures/competency/factory-registration/SCENARIO.md
new file mode 100644
index 0000000..af3055d
--- /dev/null
+++ b/tests/fixtures/competency/factory-registration/SCENARIO.md
@@ -0,0 +1,5 @@
+# Registration through a factory
+
+Question: Which handler actually implements checkout?
+
+Expected: follow the registry/factory binding to `LiveHandler`; do not claim `DeadHandler` participates merely because it has a compatible shape.
diff --git a/tests/fixtures/competency/factory-registration/handlers.py b/tests/fixtures/competency/factory-registration/handlers.py
new file mode 100644
index 0000000..42ffa1c
--- /dev/null
+++ b/tests/fixtures/competency/factory-registration/handlers.py
@@ -0,0 +1,5 @@
+class LiveHandler:
+    def handle(self): return 'live'
+
+class DeadHandler:
+    def handle(self): return 'dead'
diff --git a/tests/fixtures/competency/factory-registration/registry.py b/tests/fixtures/competency/factory-registration/registry.py
new file mode 100644
index 0000000..1744a4f
--- /dev/null
+++ b/tests/fixtures/competency/factory-registration/registry.py
@@ -0,0 +1,6 @@
+from handlers import LiveHandler
+
+HANDLERS = {'checkout': LiveHandler}
+
+def build(name):
+    return HANDLERS[name]()