refactor: golf core module

tests/test_init.lua

@@ -5,12 +5,9 @@ local eq = MiniTest.expect.equality
 
 T["setup"] = MiniTest.new_set()
 
-T["setup"]["creates augroups"] = function()
-  -- plugin/ auto-loaded via minimal_init, so augroups should exist
+T["setup"]["creates augroup"] = function()
   local groups = vim.api.nvim_get_autocmds({ group = "tiny-lightbulb" })
   eq(#groups > 0, true)
-  local clear_groups = vim.api.nvim_get_autocmds({ group = "tiny-lightbulb-clear" })
-  eq(#clear_groups > 0, true)
 end
 
 T["setup"]["is idempotent"] = function()
@@ -21,7 +18,6 @@ T["setup"]["is idempotent"] = function()
 end
 
 T["setup"]["respects custom sign"] = function()
-  -- Just verify it doesn't error with custom opts
   require("tiny-lightbulb").setup({ sign = "CA" })
   local groups = vim.api.nvim_get_autocmds({ group = "tiny-lightbulb" })
   eq(#groups > 0, true)