not ok 226 wait_for_empty_mail_queue_in_container fails when timeout reached
# (from function `repeat_until_success_or_timeout' in file test/test_helper/common.bash, line 27,
#  from function `repeat_in_container_until_success_or_timeout' in file test/test_helper/common.bash, line 70,
#  from function `wait_for_empty_mail_queue_in_container' in file test/test_helper/common.bash, line 206,
#  in test file test/test_helper.bats, line 225)
#   `! TEST_TIMEOUT_IN_SECONDS=0 wait_for_empty_mail_queue_in_container "${CONTAINER_NAME}"' failed
# 220 mail.my-domain.com ESMTP
# 250 mail.my-domain.com
# 250 2.1.0 Ok
# 250 2.1.5 Ok
# 354 End data with <CR><LF>.<CR><LF>
# 250 2.0.0 Ok: queued as AE87E6AA3A6
# 221 2.0.0 Bye
# c8053de8834e734956bd567b05a315af686ec413232de50e6b3fd5a99bb6772f
not ok 227 wait_for_empty_mail_queue_in_container succeeds within timeout
# (in test file test/test_helper.bats, line 250)
#   `[[ ${SECONDS} -gt 0 ]]' failed
# 220 mail.my-domain.com ESMTP
# 250 mail.my-domain.com
# 250 2.1.0 Ok
# 250 2.1.5 Ok
# 354 End data with <CR><LF>.<CR><LF>
# 250 2.0.0 Ok: queued as 1904A6AA3A5
# 221 2.0.0 Bye
# 84a6f49c6231006dfb3f84cc05e0e4d724ad0a15a3d89d9dadb0cecc02c500d2