File::chdir missing (for qa-test-tools tests)

root@b3045bd6d71b:qa-test-tools(master)$ prove t
t/Perl.t .. Can't locate File/chdir.pm in @INC (you may need to install the File::chdir module) (@INC contains: /kohadevbox/koha /kohadevbox/qa-test-tools /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.28.1 /usr/local/share/perl/5.28.1 /usr/lib/x86_64-linux-gnu/perl5/5.28 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.28 /usr/share/perl/5.28 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base) at t/Perl.t line 4.
BEGIN failed--compilation aborted at t/Perl.t line 4.
# Looks like your test exited with 2 before it could output anything.