This definitely also affects the samba package:
$ sudo bash debian/tests/smbclient-authenticated-share-list
+ set -e
+ . debian/tests/util
+ username=smbtest2116
+ password=2116
+ add_user smbtest2116 2116
+ local username=smbtest2116
+ local password=2116
+ echo 'Creating a local and samba user called smbtest2116'
Creating a local and samba user called smbtest2116
+ useradd -m smbtest2116
+ echo 'Setting samba password for the smbtest2116 user'
Setting samba password for the smbtest2116 user
+ smbpasswd -s -a smbtest2116
+ echo '2116\n2116'
Unable to get new password.
This definitely also affects the samba package: tests/smbclient -authenticated- share-list smbtest2116 smbtest2116
$ sudo bash debian/
+ set -e
+ . debian/tests/util
+ username=
+ password=2116
+ add_user smbtest2116 2116
+ local username=
+ local password=2116
+ echo 'Creating a local and samba user called smbtest2116'
Creating a local and samba user called smbtest2116
+ useradd -m smbtest2116
+ echo 'Setting samba password for the smbtest2116 user'
Setting samba password for the smbtest2116 user
+ smbpasswd -s -a smbtest2116
+ echo '2116\n2116'
Unable to get new password.