[Bug debuginfod/28577] Make run-...-fd-prefetch-caches.sh test something

[Noah Sanci]

PR28577: Make run-debuginfod-fd-prefetch-caches.sh test
             something

Update to the run-debuginfod-fd-prefetch to make the test more sound.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-PR28577-Make-run-debuginfod-fd-prefetch-caches.sh-te.patch
Type: text/x-patch
Size: 7716 bytes
Desc: not available
URL: <https://sourceware.org/pipermail/elfutils-devel/attachments/20220525/6b0ec245/attachment.bin>