test-istream-concat unit test improved. Still pretty ugly to test with randomness, but at least it caught the bug in v2.1.
test-istream-concat unit test improved.
Still pretty ugly to test with randomness, but at least it caught the bug in v2.1.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot