apbs: autopkgtest regression: apbs_tester.py': [Errno 2] No such file or directory

Imported from Debian bug http://bugs.debian.org/1033528:
Source: apbs
Version: 3.4.1-5
Severity: serious
Tags: bookworm-ignore
User: <email address hidden>
Usertags: regression
Control: found -1 3.0.0+dfsg1-3

Dear maintainer(s),

Your package has an autopkgtest, great. However, it started to fail in
testing (October 2022). As it started to fail in stable around the same
time, I rather expect some external dependency, so I marked it as
bookworm-ignore, but please investigate.

Paul

https://ci.debian.net/data/autopkgtest/testing/amd64/a/apbs/32295202/log.gz

autopkgtest [18:11:22]: test test-apbs: [-----------------------
cp: cannot stat '/usr/share/apbs/{tests,examples}': No such file or
directory
/tmp/autopkgtest-lxc.nft4zx67/downtmp/build.RPN/src/debian/tests/test-apbs:
2: cd: can't cd to
/tmp/autopkgtest-lxc.nft4zx67/downtmp/autopkgtest_tmp/tests
python3: can't open file
'/tmp/autopkgtest-lxc.nft4zx67/downtmp/build.RPN/src/apbs_tester.py':
[Errno 2] No such file or directory
autopkgtest [18:11:22]: test test-apbs: -----------------------]