Add comment into Jira issue
        :param issue_key:
        :param comment:
        :param visibility: OPTIONAL
        :return:

def issue_add_comment(self, issue_key, comment, visibility=None):
        """
        Add comment into Jira issue
        :param issue_key:
        :param comment:
        :param visibility: OPTIONAL
        :return:
        """
        url = 'rest/api/2/issue/{issueIdOrKey}/comment'.format(issueIdOrKey=issue_key)
        data = {'body': comment}
        if visibility:
            data['visibility'] = visibility
        return self.post(url, data=data)