Hi Shaun,
The cost breakdown can be found on the PCBA order page after uploading the BOM. The one that says components cost, assembly cost etc. When the components are ordered from abroad, the procurement and shipping costs are embedded in these. There is no detailed calculation for shipping and procurement per component as such.
Testing is recommended for larger quantities in which it may not be convenient for you to test the boards yourself. The PCBA team should be able to advise on specific testing capabilities. You can send a message to [email protected] to contact them directly.
Hope that helps.