node restify HTTPClient multipart form upload

test.js

it('should return a BadRequestError if photo is not sent on post to /users/me/photos', function(done) {
    var options = {
      path: '/users/me/photos',
      headers: {
        'Content-Type': 'multipart/form-data; boundary=Boundary+0xAbCdEfGbOuNdArY'
      }
    };
    common.httpClient(testUser).post(options, function(err, req) {
      req.on('result', function(err, res) {
        
        done();
      });

      // assuming I need to write the local file data here
      req.end();
    });
  });