Add tests from develop

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

maxscale-system-test/mxs951_utfmb4.cpp

@@ -0,0 +1,66 @@
+/**
+ * @file mxs951_utfmb4_galera.cpp Set utf8mb4 in the backend and restart Maxscale
+ * - add following to backend server configuration:
+ @verbatim
+[mysqld]
+character_set_server=utf8mb4
+collation_server=utf8mb4_unicode_520_ci
+ @endverbatim
+ * - for all backend nodes: SET GLOBAL character_set_server = 'utf8mb4'; SET NAMES 'utf8mb4'
+ * - restart Maxscale
+ * - connect to Maxscale
+ */
+
+
+#include <iostream>
+#include <unistd.h>
+#include "testconnections.h"
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+
+    TestConnections * Test = new TestConnections(argc, argv);
+    Test->stop_timeout();
+
+    char cmd [1024];
+    sprintf(cmd, "%s/utf64.cnf", test_dir);
+    for (int i = 0; i < Test->repl->N; i++)
+    {
+        Test->repl->copy_to_node(cmd, (char *) "./", i);
+        Test->repl->ssh_node(i, (char *) "cp ./utf64.cnf /etc/my.cnf.d/", true);
+    }
+
+    Test->repl->start_replication();
+
+
+    Test->tprintf("Set utf8mb4 for backend");
+    Test->repl->execute_query_all_nodes((char *) "SET GLOBAL character_set_server = 'utf8mb4';");
+
+    Test->tprintf("Set names to utf8mb4 for backend");
+    Test->repl->execute_query_all_nodes((char *) "SET NAMES 'utf8mb4';");
+
+    Test->set_timeout(120);
+
+    Test->tprintf("Restart Maxscale");
+    Test->restart_maxscale();
+
+    sleep(10);
+
+    Test->check_maxscale_alive();
+    //Test->check_maxscale_processes(0);
+
+    Test->stop_timeout();
+    Test->tprintf("Restore backend configuration\n");
+    for (int i = 0; i < Test->repl->N; i++)
+    {
+        Test->repl->ssh_node(i, (char *) "rm  /etc/my.cnf.d/utf64.cnf", true);
+    }
+    Test->repl->start_replication();
+
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}
+