chore(tests): consistent captures

tests/query/highlights/lua/test.lua

@@ -1,18 +1,18 @@
 -- luacheck: ignore
 local a = { 1, 2, 3, 4, 5 }
---          ^ number      ^ punctuation.bracket
---    ^ variable
+--          ^ @number     ^ @punctuation.bracket
+--    ^ @variable
 
 local _ = next(a)
---          ^ function.builtin
--- ^ keyword
+--          ^ @function.builtin
+-- ^ @keyword
 
 _ = next(a)
---   ^ function.builtin
+--   ^ @function.builtin
 
 next(a)
--- ^ function.builtin
+-- ^ @function.builtin
 
 -- Checking for incorrect hlgroup of injected luap
 string.match(s, "\0%d[^\n]+")
---                       ^ !constant
+--                       ^ @!constant