Add tests from develop

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

maxscale-system-test/mxs1045.cpp

@@ -0,0 +1,34 @@
+/**
+ * @file mxs1045.cpp Regression case for the bug "Defunct processes after maxscale have executed script during failover"
+ * - configure monitor:
+ * @verbatim
+script=/bin/sh -c "echo hello world!"
+events=master_down,server_down
+
+ * @endverbatim
+ * - block one node
+ * - Check that script execution doesn't leave zombie processes
+ */
+
+#include "testconnections.h"
+
+int main(int argc, char *argv[])
+{
+    TestConnections test(argc, argv);
+
+    test.tprintf("Block master");
+    test.repl->block_node(0);
+
+    test.tprintf("Wait for monitor to see it");
+    sleep(10);
+
+    test.tprintf("Check that there are no zombies");
+
+    int res = test.ssh_maxscale(false,
+                                "if [ \"`ps -ef|grep defunct|grep -v grep`\" != \"\" ]; then exit 1; fi");
+    test.add_result(res, "Zombie processes were found");
+
+    test.repl->unblock_node(0);
+
+    return test.global_result;
+}