Fixed test to work with both possible SF_PK id/Id.
Fixed test to work with both possible SF_PK id/Id.

django-salesforce/django-salesforce,django-salesforce/django-salesforce,django-salesforce/django-salesforce,chromakey/django-salesforce,hynekcer/django-salesforce,hynekcer/django-salesforce,chromakey/django-salesforce,chromakey/django-salesforce,hynekcer/django-salesforce