Tests fail

[cadorn]

$ npm test

smith@0.1.13 test /pinf/workspaces/github.com/c9/smith.io/node_modules/smith
./test-all.sh

smith-browsertest@0.0.0 install /pinf/workspaces/github.com/c9/smith.io/node_modules/smith/tests
jam install

Building version tree...
Error: ENOENT, readdir 'jam'
Failed
npm ERR! smith-browsertest@0.0.0 install: jam install
npm ERR! sh "-c" "jam install" failed with 1
npm ERR!
npm ERR! Failed at the smith-browsertest@0.0.0 install script.
npm ERR! This is most likely a problem with the smith-browsertest package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! jam install
npm ERR! You can get their info via:
npm ERR! npm owner ls smith-browsertest
npm ERR! There is likely additional logging output above.

npm ERR! System Darwin 11.4.2
npm ERR! command "node" "/usr/local/bin/npm" "install"
npm ERR! cwd /pinf/workspaces/github.com/c9/smith.io/node_modules/smith/tests
npm ERR! node -v v0.6.19
npm ERR! npm -v 1.1.62
npm ERR! code ELIFECYCLE
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /pinf/workspaces/github.com/c9/smith.io/node_modules/smith/tests/npm-debug.log
npm ERR! not ok code undefined
npm ERR! not ok code 1