When I use xctest to test my download function , it occurs this error

Question

An error occurred on the xpc connection:

Error Domain=NSCocoaErrorDomain Code=4097 "connection to service named com.apple.nsurlsessiond" UserInfo={NSDebugDescription=connection to service named com.apple.nsurlsessiond}

I don't known what it is "service named" com.apple.nsurlsessiond??

Unavoidable

In my case it's working with session default mode and failing with background one. – Gullible

how to resolve the issue? – Vedi

@Gullible Yes ！Ths. – Unavoidable

still seeing this issue – Shadrach