gistfile1.js

var read = require('fs').readFileSync;

module.exports = function (builder) {
    builder.hook('before scripts', function (pkg, next) {
        var config = pkg.config,
            tests = config.tests,
            development = config.development;

        if (!tests) return next();

        tests.forEach(function (test) {
            var path = pkg.path(test),
                contents = read(path, 'utf8');
            pkg.addFile('scripts', test, contents);
        });

        Object.keys(development).forEach(function (dependency) {
            pkg.dependencies[dependency] = development[dependency];
        });

        return next();
    });
};