Updated git submodules

Project: integration/test master 691d006887da61e7669c32488379c7911c80807d

Add Bug report for the failing test case in VTN CSIT

* Test case failure in VTN Flowfilter verification of flows for action
  vtn-set-inet-src and vtn-set-inet-dst in OF13.
* Failure is not consistent.
* Added Report_Failure_Due_To_Bug 6643 in the failing case.

Change-Id: I5e86744d793c3ad1a85e940e1fd64654ee084811
Signed-off-by: Karthik.S <siva-karthik@hcl.com>

diff --git a/docs/submodules/integration/test b/docs/submodules/integration/test
index 1574b6ace6c35513816a8907b455ff2afb5495db..691d006887da61e7669c32488379c7911c80807d 160000 (submodule)
--- a/docs/submodules/integration/test
+++ b/docs/submodules/integration/test
@@ -1 +1 @@
-Subproject commit 1574b6ace6c35513816a8907b455ff2afb5495db
+Subproject commit 691d006887da61e7669c32488379c7911c80807d