mtr: minor (and incomplete) fixes for suite galera_3node

mysql-test/suite/galera_3nodes/galera_3nodes.cnf

@@ -12,6 +12,9 @@ wsrep-causal-reads=ON
 wsrep-sync-wait=15
 
 [mysqld.1]
+#galera_port=@OPT.port
+#ist_port=@OPT.port
+#sst_port=@OPT.port
 wsrep-cluster-address='gcomm://'
 wsrep_provider_options='base_port=@mysqld.1.#galera_port;evs.suspect_timeout=PT10S;evs.inactive_timeout=PT30S;evs.install_timeout=PT15S'
 

mysql-test/suite/galera_3nodes/include/have_ipv6.inc

+# Check if ipv6 is available.
+#
+--disable_query_log
+--disable_result_log
+connect (checkcon123456789,::1,root,,test);
+if($mysql_errno)
+{
+    skip No IPv6 support;
+}
+connection default;
+disconnect checkcon123456789;
+--enable_result_log
+--enable_query_log
+# end check
+

mysql-test/suite/galera_3nodes/t/galera_innobackupex_backup.test

@@ -16,7 +16,7 @@ SELECT COUNT(*) = 10 FROM t1;
 --exec innobackupex --defaults-file=$MYSQLTEST_VARDIR/my.cnf --defaults-group=mysqld.2 $MYSQL_TMP_DIR/innobackupex_backup --galera-info --port=$NODE_MYPORT_2 --host=127.0.0.1 --no-timestamp > $MYSQL_TMP_DIR/innobackupex-backup.log
 --exec innobackupex --defaults-file=$MYSQLTEST_VARDIR/my.cnf --defaults-group=mysqld.2 $MYSQL_TMP_DIR/innobackupex_backup --apply-log --galera-info --port=$NODE_MYPORT_2 --host=127.0.0.1 --no-timestamp > $MYSQL_TMP_DIR/innobackupex-apply.log
 
---source include/kill_galera.inc
+--source ../galera/include/kill_galera.inc
 --sleep 1
 
 --connection node_1

mysql-test/suite/galera_3nodes/t/galera_safe_to_bootstrap.test

@@ -109,7 +109,7 @@ SET SESSION wsrep_on = OFF;
 --let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
 --source include/wait_condition.inc
 
---source include/kill_galera.inc
+--source ../galera/include/kill_galera.inc
 
 #
 # Only node #1 should have safe_to_bootstrap: 1