Need help running the tests

[julien-f]

I don't understand why but the tests do not pass on my computer:

> npm test
> [email protected] test node-xmlrpc
> vows 'test/*.js'

······
✗ Errored » callback not fired 
      in A method call with an invalid internal URI 
      in Client 
      in test/client_test.js✗ Errored » callback not fired 
      in A method call with a string URI for options 
      in Client 
      in test/client_test.js✗ Errored » callback not fired 
      in A method call with no host specified 
      in Client 
      in test/client_test.js✗ Errored » callback not fired 
      in A method call with a chunked response 
      in Client 
      in test/client_test.js✗ Errored » callback not fired 
      in A method call with a utf-8 encoding 
      in Client 
      in test/client_test.js✗ Errored » callback not fired 
      in A method call with a ISO-8859-1 encoding 
      in Client 
      in test/client_test.js✗ Errored » callback not fired 
      in A method call with a multi-byte character in request 
      in Client 
      in test/client_test.js✗ Errored » callback not fired 
      in A method call with an unknown request 
      in Client 
      in test/client_test.js✗ Errored » callback not fired 
      in A method call with cookies in response 
      in Client 
      in test/client_test.js✗ Errored » callback not fired 
      in A method call that responds with a malformed xml 
      in Client 
      in test/client_test.js✗ Errored » 6 honored ∙ 1 errored ∙ 13 dropped

npm ERR! Test failed.  See above for more details.

Any idea?