- Use an absolute path for the -L option since the module isn't in the
perl path
- Create the needed test file in a <file> section; <precheck> isn't
intended for this
- Fix the test number in the file name, which was wrong
Follow-up to f754990a
Ref: #10818Fixes#10889Closes#10917
This is useful to change the behaviour of the script without
having to modify the file itself, for example to use a custom
compareparts() function that ignores header differences that
are expected to occur when an external proxy is being used.
Such differences are proxy-specific and thus the modifications
should be maintained together with the proxy.