Add tests from develop

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

maxscale-system-test/mxs585.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+
+###
+## @file mxs585.py Regression case for MXS-585 "Intermittent connection failure with MaxScale 1.2/1.3 using MariaDB/J 1.3"
+## - open connection, execute simple query and close connection in the loop
+
+import maxpython
+
+test1 = maxpython.MaxScaleTest("mxs585.py")
+
+for i in range(0,100):
+    if i % 10 == 0:
+        print(str(i))
+    test1.maxscale['rwsplit'].query_and_close("select 1")
+    test1.maxscale['rcmaster'].query_and_close("select 1")
+    test1.maxscale['rcslave'].query_and_close("select 1")