diff --git a/letsencrypt/tests/testdata/os-release b/letsencrypt/tests/testdata/os-release
new file mode 100644
index 000000000..b7c3ceb1b
--- /dev/null
+++ b/letsencrypt/tests/testdata/os-release
@@ -0,0 +1,8 @@
+NAME="SystemdOS"
+VERSION="42.42.42 LTS, Unreal"
+ID=systemdos
+ID_LIKE=debian
+PRETTY_NAME="SystemdOS 42.42.42 Unreal"
+VERSION_ID="42"
+HOME_URL="http://www.example.com/"
+SUPPORT_URL="http://help.example.com/"