Add tests from develop

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

maxscale-system-test/false_monitor_state_change.cpp

@@ -0,0 +1,28 @@
+/**
+ * Test false server state changes when manually clearing master bit
+ */
+
+#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("Clear master status");
+    test.ssh_maxscale(true, "maxadmin clear server server1 master");
+    sleep(5);
+
+    test.repl->unblock_node(0);
+    sleep(5);
+
+    test.check_maxscale_alive();
+    test.check_log_err("debug assert", false);
+
+    return test.global_result;
+}