private/tests/tests.ss
(module tests mzscheme
  (require (planet "test.ss" ("schematics" "schemeunit.plt" 1)))
  (require (planet "text-ui.ss" ("schematics" "schemeunit.plt" 1)))
  (require "zip.ss")
  (require "unzip.ss")

  (define all-tests
    (make-test-suite
     "all tests"
     zip-tests
     unzip-tests
     ))

  (test/text-ui all-tests))