Add tests from develop

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

maxscale-system-test/different_size_rwsplit.cpp

@@ -0,0 +1,27 @@
+/**
+ * @file different_size_rwsplit.cpp Tries INSERTs with size close to 0x0ffffff * N
+ * - executes inserts with size: from 0x0ffffff * N - X up to 0x0ffffff * N - X
+ * (N = 3, X = 50 or 20 for 'soke' test)
+ * - check if Maxscale is still alive
+ */
+
+
+#include <iostream>
+#include <unistd.h>
+#include "testconnections.h"
+#include "different_size.h"
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+    TestConnections * Test = new TestConnections(argc, argv);
+
+    different_packet_size(Test, false);
+
+    Test->check_maxscale_alive();
+    int rval = Test->global_result;
+    delete Test;
+    return rval;
+}
+