Add tests from develop

Added tests from develop. The test results need to be modified for 2.0.

maxscale-system-test/local_tests/start_multiple_mariadb.sh

@@ -0,0 +1,34 @@
+set -x
+
+servers=4;
+dir=`pwd`
+
+#cp ~/build-scripts/test/multiple_servers.cnf $dir
+sudo rm -rf /data/mysql/*
+sudo rm -rf /var/log/mysql/*
+sudo mkdir -p /data/mysql
+sudo chown mysql:mysql -R /data
+sudo mkdir -p /var/run/mysqld
+sudo chown mysql:mysql -R /var/run/mysqld
+sudo killall mysqld
+sudo killall mysql_install_db
+sleep 20
+
+for i in `seq 1 $servers`;
+do
+    sudo mysql_install_db --defaults-file=$dir/multiple_servers.cnf --user=mysql --datadir=/data/mysql/mysql$i
+done
+
+sudo mysqld_multi  --defaults-file=$dir/multiple_servers.cnf  start  &
+
+running_servers=0
+while [ $running_servers != $servers ] ; do
+   running_servers=`mysqld_multi --defaults-file=$dir/multiple_servers.cnf report | grep "is running" | wc -l`
+done
+
+
+for i in `seq 1 $servers`;
+do
+    sudo mysql --socket=/var/run/mysqld/mysqld$i.sock < $dir/create_repl_user.sql
+    sudo mysql --socket=/var/run/mysqld/mysqld$i.sock < $dir/create_skysql_user.sql
+done