Update CSIT tests 1700906 -> 170926

- update of CSIT operational branch to be used for VPP-patch test

Change-Id: If582dc7c5e37bd3cda7ba4858e98fc504e2b7b1e
Signed-off-by: Jan Gelety <jgelety@cisco.com>
diff --git a/build-root/scripts/csit-test-branch b/build-root/scripts/csit-test-branch
index 6b8a756..a4adb45 100755
--- a/build-root/scripts/csit-test-branch
+++ b/build-root/scripts/csit-test-branch
@@ -1,2 +1,2 @@
 #!/bin/sh
-echo oper-170906
+echo oper-170926