t / t4018 / golang-long-funcon commit tests: add a special setup where rebase.useBuiltin is off (62c2393)
   1func RIGHT(aVeryVeryVeryLongVariableName AVeryVeryVeryLongType,
   2        anotherLongVariableName AnotherLongType) {
   3        a := 5
   4        b := ChangeMe
   5}