MXS-1899: Test that generated [maxscale] sections work

The test alters the configuration at runtime and restarts MaxScale.

maxscale-system-test/mxs1899_generated_cnf.cpp

@@ -0,0 +1,18 @@
+/**
+ * MXS-1889: generated [maxscale] section causes errors
+ *
+ * https://jira.mariadb.org/browse/MXS-1899
+ */
+
+#include "testconnections.h"
+
+int main(int argc, char** argv)
+{
+    TestConnections test(argc, argv);
+
+    test.maxscales->ssh_node_f(0, true, "maxctrl alter maxscale auth_connect_timeout 10");
+    test.assert(test.maxscales->restart() == 0, "Restarting MaxScale after modification "
+                "of global parameters should work");
+
+    return test.global_result;
+}