def METHOD_NAME(self, mock_current_app):
    mock_authority = Mock()
    mock_authority.options = '[{"name": "mock_name", "value": "mock_value"}]'
    mock_current_app.config = {"ACME_PRIVATE_KEY": "PRIVATE_KEY", "ACME_REGR": "ACME_REGR"}
    self.assertTrue(self.acme.reuse_account(mock_authority))