Update CSIT tests 170313 -> 170403

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

Change-Id: I4bf32bc12c7417f7c19b23287a2b2899eb8fb02d
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 3ff5dac..b607ff2 100755
--- a/build-root/scripts/csit-test-branch
+++ b/build-root/scripts/csit-test-branch
@@ -1,2 +1,2 @@
 #!/bin/sh
-echo oper-170313
+echo oper-170403