def test_get_region_certificate_when_none_exists(self):
cert = security.get_region_certificate()
self.assertThat(cert, is_valid_region_certificate)
self.assertEqual(cert, security.load_region_certificate())
def test_get_region_certificate(self):
cert = security.generate_region_certificate()
security.save_region_certificate(cert)
self.assertEqual(cert, security.get_region_certificate())