Do not fail when tests directory is missing
Do not fail when tests directory is missing

Ignore-this: 8213e6d9b50ba2e89e6d78cbc23151e2

darcs-hash:20110128161501-0445d-829336650818a5a05436e171b9a3d6fbe1d6856d

OCamlPro-Henry/js_of_ocaml,alainfrisch/js_of_ocaml,OCamlPro-Henry/js_of_ocaml,OCamlPro-Henry/js_of_ocaml,alainfrisch/js_of_ocaml,OCamlPro-Henry/js_of_ocaml,OCamlPro-Henry/js_of_ocaml,alainfrisch/js_of_ocaml,alainfrisch/js_of_ocaml,alainfrisch/js_of_ocaml