/var/lib/pcp/testsuite/840.out is in pcp-testsuite 4.0.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | QA output created by 840
Verify pmcd avahi service advertising
. <interface> <protocol> PCP pmcd on HOSTNAME _pmcd._tcp local
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