diff --git a/test/duplicate-users.toml b/test/duplicate-users.toml
new file mode 100644
index 0000000..d08c92d
--- /dev/null
+++ b/test/duplicate-users.toml
@@ -0,0 +1,8 @@
+[UniqueUser]
+roles = ["foorole", "barrole"]
+
+[DuplicateUser]
+roles = ["somerole"]
+
+[DuplicateUser]
+roles = ["different", "roles"]