It's failing tests on CentOS 6, it looks like it's expecting the IMAP server to be running when it isn't, perhaps this test should soft-fail?
Making check in lib-imap-client
make[2]: Entering directory
`/builddir/build/BUILD/dovecot-2.2.29/src/lib-imap-client'
for bin in test-imapc-client; do
if ! ./$bin; then exit 1; fi;
done
Warning: imapc(127.0.0.1:0): connect(127.0.0.1, 0) failed: Connection
refused - reconnecting (delay 10 ms)
Error: imapc(127.0.0.1:0): connect(127.0.0.1, 0) failed: Connection
refused - disconnecting
test: random seed #1 was 1492054294
imapc connect failed ................................................. : ok
Warning: imapc(127.0.0.1:42704): connect(127.0.0.1, 42704) timed out
after 0 seconds - reconnecting (delay 0 ms)
Error: imapc(127.0.0.1:42704): connect(127.0.0.1, 42704) timed out after
0 seconds - disconnecting
imapc banner hangs ................................................... : ok
Warning: imapc(127.0.0.1:36762): Authentication timed out after 0
seconds - reconnecting (delay 0 ms)
Error: imapc(127.0.0.1:36762): Authentication failed: Disconnected from
server
imapc login hangs .................................................... : ok
test-imapc-client.c:358: Assert failed: test_imapc_cmd_last_reply_pop()
== IMAPC_COMMAND_STATE_OK
imapc reconnect ...................................................... :
FAILED
imapc reconnect resend commands ...................................... : ok
imapc reconnect resend commands failed ............................... : ok
imapc reconnect mailbox .............................................. : ok
1 / 7 tests failed
Peter