'Verify the request for creating a pull request from an issue.'

def test_create_pull_from_issue_required_issue_number(self):

    with helper.mock.patch.object(Repository, '_create_pull') as pull:
        pull_request = self.instance.create_pull_from_issue(issue=(-1), base='master', head='feature_branch')
        assert (pull.called is False)
        assert (pull_request is None)
