def fetch_token_mock(self,
                     token_url=None,
                     code=None,
                     authorization_response=None,
                     body='',
                     auth=None,
                     username=None,
                     password=None,
                     method='POST',
                     timeout=None,
                     headers=None,
                     verify=True,
                     proxies=None,
                     **kwargs):
    """Mock token fetching api call."""
    token = {
        "orcid": "123",
        "name": "ros",
        "access_token": "xyz",
        "refresh_token": "xyz",
        "scope": ["/activities/update", "/read/limited"],
        "expires_in": "12121"
    }
    return token