@Test(expectedExceptions = UnsupportedOperationException.class)
 public void testAuthorizeRSAPublicKeyWINDOWS() {
   auth.render(OsFamily.WINDOWS);
 }
 public void testAuthorizeRSAPublicKeyUNIX() {
   assertEquals(
       auth.render(OsFamily.UNIX),
       "mkdir -p ~/.ssh\ncat >> ~/.ssh/authorized_keys <<'END_OF_FILE'\nssh-dss AAAAB\nEND_OF_FILE\nchmod 600 ~/.ssh/authorized_keys\n");
 }