Avalanche: Why I am seeing "Error: File Error thrown by XML parser could not find file ... testspec.xml"?

Avalanche: Why I am seeing "Error: File Error thrown by XML parser could not find file ... testspec.xml"?

You may see the error File Error thrown by XML parser could not find file : /swat/tests/unit0/client-subtest_0/tests/testspec.xml This is caused by a DNS error.  Check the event.log for errors like Unknown Host thrown by ProtocolActionBase::ResolveHostName: Can’t resolve hostname: (problem with domain name used by HTTPS) File Error thrown by  Cannot open HostFile DNS : /swat/tests/unit0/client-subtest_0_core0/hostfiles/.xml • If you see the HostFile DNS error, uncheck "Use DNS Hosts File" as per  FAQ18528 Avalanche: Why am I seeing the error "Cannot open HostFile DNS" • Verify all Transaction Profiles from the Server side which has configured the option "File" on the Body Content Type, check all profiles are been correctly associated to one file.