REGTEST: Move LUA reg test 4 to level 1.

This Pieter script deserves to be moved to level 1 (feature test).

diff --git a/reg-tests/lua/b00004.lua b/reg-tests/lua/h00002.lua
similarity index 100%
rename from reg-tests/lua/b00004.lua
rename to reg-tests/lua/h00002.lua

diff --git a/reg-tests/lua/b00004.vtc b/reg-tests/lua/h00002.vtc
similarity index 100%
rename from reg-tests/lua/b00004.vtc
rename to reg-tests/lua/h00002.vtc