#lang racket/base
(require
 (for-syntax
  racket/base))

(begin-for-syntax
  (require (only-in rackunit require/expose))
  (require/expose racket/base (cons)))

(begin-for-syntax
  (λ () (do-something-at-phase-1)))

(begin-for-syntax
  (define (do-something-at-phase-1) (displayln "meow")))

(module* test #f)