* tests/test-access.h: New file, extracted from tests/test-access.c.
* tests/test-access.c: Moved most code to tests/test-access.h.
Include test-access.h.
(main): Invoke test_access.
* tests/test-euidaccess.c: New file, based on tests/test-access.c.
* modules/access-tests (Files): Add tests/test-access.h.
* modules/euidaccess-tests: New file, based on modules/access-tests.
