fix(test): remove test/compat.lua

test/compat.lua

@@ -1,12 +0,0 @@
--- Lua 5.1 forward-compatibility layer.
--- For background see https://github.com/neovim/neovim/pull/9280
---
--- Reference the lua-compat-5.2 project for hints:
---    https://github.com/keplerproject/lua-compat-5.2/blob/c164c8f339b95451b572d6b4b4d11e944dc7169d/compat52/mstrict.lua
---    https://github.com/keplerproject/lua-compat-5.2/blob/c164c8f339b95451b572d6b4b4d11e944dc7169d/tests/test.lua
-
-local lua_version = _VERSION:sub(-3)
-
-if lua_version >= '5.2' then
-  unpack = table.unpack -- luacheck: ignore 121 143
-end

test/helpers.lua

@@ -1,4 +1,3 @@
-require('test.compat')
 local shared = vim
 local assert = require('luassert')
 local busted = require('busted')