box-switch_mode: review fixes.

test/box_replication/common.test

@@ -42,6 +42,8 @@ for i in range(1, 5):
 	master.sql.execute("insert into t0 values ({0}, 'the tuple #{0}')".format(i),
 			   silent=False)
 
+slave.wait_lsn(5)
+
 print """
 #
 # Reconfigure slave to replicate from secondary feeder.

test/box_replication/feeder.cfg

 pid_file = "tarantool.pid"
 
+logger="tee -a tarantool.log"
+
 wal_feeder_bind_ipaddr = "127.0.0.1"
 wal_feeder_bind_port = 33016
 

test/box_replication/feeder_secondary.cfg

 pid_file = "tarantool.pid"
 
+logger="tee -a tarantool.log"
+
 wal_feeder_bind_ipaddr = "127.0.0.1"
 wal_feeder_bind_port = 33026
 

test/box_replication/feeder_slave.cfg

 pid_file = "tarantool.pid"
 
+logger="tee -a tarantool.log"
+
 wal_feeder_bind_ipaddr = "127.0.0.1"
 wal_feeder_bind_port = 33116