diff -rub cosmo-16.06.04/tests/test_cosmo.lua cosmo-patched/tests/test_cosmo.lua
--- cosmo-16.06.04/tests/test_cosmo.lua	2016-06-04 12:59:21.000000000 -0600
+++ cosmo-patched/tests/test_cosmo.lua	2022-09-11 08:25:40.964576115 -0600
@@ -1,3 +1,4 @@
+package.path = "../src/?.lua;" .. package.path
 local cosmo = require"cosmo"
 local grammar = require"cosmo.grammar"