Small fix for inventory source unit tests if the source is custom during check_inventory_source
Small fix for inventory source unit tests if the source is custom during check_inventory_source

snahelou/awx,snahelou/awx,wwitzel3/awx,wwitzel3/awx,snahelou/awx,wwitzel3/awx,wwitzel3/awx,snahelou/awx