def METHOD_NAME(self):
    """Test returns 404 if user not found."""
    # Act
    response = self.client.get(
        "/api/v2/users/doesntexist/statistics/",
        headers={"Authorization": self.user_session_token},
    )
    # Assert
    self.assertEqual(response.status_code, 404)
    self.assertEqual(response.json["error"]["sub_code"], USER_NOT_FOUND_SUB_CODE)