diff --git a/tests/luatest.lua b/tests/luatest.lua
index aa3320d..889c51a 100644
--- a/tests/luatest.lua
+++ b/tests/luatest.lua
@@ -44,8 +44,18 @@ end
 
 function luatest.prof_init(version, status)
     prof_cons_show("luatest: init, " .. version .. ", " .. status)
+
     prof_register_command("/lua", 0, 1, "/lua", "luatest", "luatest", cmd_lua)
     prof_register_command("/bracket", 0, 1, "/bracket", "Parenthesise input string", "Parenthesise input string", cmd_bracket);
+
+    arg_ac = { "football", "footy", "tennis" }
+    prof_register_ac("/lcomplete", arg_ac)
+    arg_one_ac = { "goal", "out", "try", "given" }
+    prof_register_ac("/lcomplete football", arg_one_ac)
+    arg_two_ac = { "test", "prod", "dev", "stage" }
+    prof_register_ac("/lcomplete tennis", arg_two_ac)
+    prof_register_command("/lcomplete", 0, 2, "/lcomplete", "Lua completion", "Lua completion", cmd_bracket)
+
     prof_register_timed(timer_test, 10)
 end