MXS-2900 Rename maxscale-system-test directory to system-test

A link with the old directory name is provided.

system-test/auth_old_pw.cpp

@@ -0,0 +1,31 @@
+/**
+ * Check that old-style passwords are detected
+ */
+
+#include "testconnections.h"
+
+int main(int argc, char* argv[])
+{
+    TestConnections test(argc, argv);
+
+    test.repl->connect();
+    execute_query(test.repl->nodes[0], "CREATE USER 'old'@'%%' IDENTIFIED BY 'old';");
+    execute_query(test.repl->nodes[0], "SET PASSWORD FOR 'old'@'%%' = OLD_PASSWORD('old')");
+    execute_query(test.repl->nodes[0], "FLUSH PRIVILEGES");
+    test.repl->sync_slaves();
+
+    test.set_timeout(20);
+    test.tprintf("Trying to connect using user with old style password");
+
+    MYSQL* conn = open_conn(test.maxscales->rwsplit_port[0],
+                            test.maxscales->IP[0],
+                            (char*) "old",
+                            (char*)  "old",
+                            test.ssl);
+    test.add_result(mysql_errno(conn) == 0, "Connections is open for the user with old style password.\n");
+    mysql_close(conn);
+
+    execute_query(test.repl->nodes[0], "DROP USER 'old'@'%%'");
+
+    return test.global_result;
+}