(module tests mzscheme
  (require (lib "test.ss" "schemeunit"))
  (require (lib "text-ui.ss" "schemeunit"))
  (require "io.ss")
  (require "file.ss")

  (define all-tests
    (make-test-suite
     "all tests"
     io-tests
     file-tests))

  (test/text-ui all-tests))