osmo_interact/vty.py: fix parsing of vty logging

Because the VTY logging target currently prints '\n\r' instead of '\r\n', the
python splitlines() separates those as interleaving empty lines. Ignore '\r' to
allow verifying VTY logging output as well.

Change-Id: I8de9cebaa9aad275f65c3672985b7cbca343b5a6
1 file changed