Test main.mysqlpump_bugs fails for mysql 8.0.29-0ubuntu1

When trying to build mysql in a PPA and as it currently is in kinetic-proposed, the test main.mysqlpump_bugs fails consistently. This is the output:

CURRENT_TEST: main.mysqlpump_bugs
mysqlpump: [ERROR] (2) Can't create/open a file ~/dump.sql
Dump process encountered error and will not continue.
Dump completed in 191
Dump completed in 45
Can't locate Expect.pm in @INC (you may need to install the Expect module) (@INC contains: /etc/perl /usr/local/lib/i386-linux-gnu/perl/5.34.0 /usr/local/share/perl/5.34.0 /usr/lib/i386-linux-gnu/perl5/5.34 /usr/share/perl5 /usr/lib/i386-linux-gnu/perl-base /usr/lib/i386-linux-gnu/perl/5.34 /usr/share/perl/5.34 /usr/local/lib/site_perl . .) at /<<PKGBUILDDIR>>/builddir/mysql-test/var/4/tmp7ChuVo line 3.
mysqltest: At line 154: Command "perl" failed with error 2. my_errno=2.

The result from queries just before the failure was:
CREATE DATABASE B32340208;
CREATE TABLE B32340208.test (
`pk` int NOT NULL AUTO_INCREMENT,
`a1` smallint GENERATED ALWAYS AS (((0 <> `c1`) and (_utf8mb4'0000-00-00
00:00:00' <> `d1`))) VIRTUAL NOT SECONDARY,
`b1` char(8) DEFAULT NULL,
`c1` longblob NOT NULL NOT SECONDARY,
`d1` timestamp NOT NULL,
PRIMARY KEY (`pk`),
KEY `functional_index` ((radians(`c1`))) USING BTREE COMMENT 'you''re'
) ENGINE=InnoDB DEFAULT CHARSET=euckr;
Warnings:
Warning 4095 Delimiter '\n' in position 10 in datetime value '0000-00-00
00:00:00' at row 1 is deprecated. Prefer the standard ' '.
# Success criteria: should not crash
DROP DATABASE B32340208;
SET sql_mode = DEFAULT;
#
# Bug #33688141 mysqlpump exits in regards to 'std::logic_error'
#
safe_process[72669]: Child process: 72670, exit: 1

 - the logfile can be found in '/<<PKGBUILDDIR>>/builddir/mysql-test/var/log/main.mysqlpump_bugs/mysqlpump_bugs.log'