diff --git a/src/test/templates/interfaceaddtest.mako.hpp b/src/test/templates/interfaceaddtest.mako.hpp
new file mode 100644
index 0000000..3b0609a
--- /dev/null
+++ b/src/test/templates/interfaceaddtest.mako.hpp
@@ -0,0 +1,11 @@
+const std::array<std::string, ${len(pathinstances)}> paths = {
+% for p in paths:
+    "${p.name}"s,
+% endfor
+};
+
+const std::array<std::string, ${len(pathwatches)}> pathwatches = {{
+% for w in pathwatches:
+    paths[${w.pathinstances}],
+% endfor
+}};