[x] sharedmem jobs do not get scheduled and are added to invalid_resources
Description of change
Added a condition for the removal of the the sharedmem, where its only removed if the value is 0. Also added a check for sharedmem when looking for invalid resources. Addresses issue #1826
Checklist
manage.py testpassessharedmemjobs do not get scheduled and are added toinvalid_resourcesDescription of change
Added a condition for the removal of the the
sharedmem, where its only removed if the value is 0. Also added a check forsharedmemwhen looking for invalid resources. Addresses issue #1826