SXP: Reorder cluster tests

- reorder cluster tests to minimize
impacts of frequent cluster owner isolation

JIRA: SXP-154
Change-Id: I3636167c55e13a20427ed0432dc667339af59d94
Signed-off-by: Ivan Hrasko <ihrasko@cisco.com>

diff --git a/csit/suites/sxp/clustering/040_RPC_Redirecting.robot b/csit/suites/sxp/clustering/020_RPC_Redirecting.robot
similarity index 100%
rename from csit/suites/sxp/clustering/040_RPC_Redirecting.robot
rename to csit/suites/sxp/clustering/020_RPC_Redirecting.robot

diff --git a/csit/suites/sxp/clustering/020_Bindings_consistency.robot b/csit/suites/sxp/clustering/040_Bindings_consistency.robot
similarity index 100%
rename from csit/suites/sxp/clustering/020_Bindings_consistency.robot
rename to csit/suites/sxp/clustering/040_Bindings_consistency.robot