'``RootCredential.organizational_unit`` is its organizational unit.'

def test_organizational_unit(self):

    path = FilePath(self.mktemp())
    path.makedirs()
    RootCredential.initialize(path, 'mycluster')
    ca = RootCredential.from_path(path)
    self.assertEqual(ca.organizational_unit, ca.credential.certificate.getSubject().OU)
