Updated git submodules

Project: integration/test master ce135d421f225550f813b8c1fc3163331cf698f6

Resolve issues caused by flake8 upgrade

+ Remove simply unused modules or local variables.
+ Replace wildcard imports with explicit imports.
+ Mark signs on unfinished functionality by #noqa #FIXME.

Change-Id: Ic8474bf723e739f8099ce6d22ddc882d0fc5171b
Signed-off-by: Vratko Polak <vrpolak@cisco.com>

diff --git a/docs/submodules/integration/test b/docs/submodules/integration/test
index 25b367290f60a2d71bdb4aced1f18762cc77cdba..ce135d421f225550f813b8c1fc3163331cf698f6 160000 (submodule)
--- a/docs/submodules/integration/test
+++ b/docs/submodules/integration/test
@@ -1 +1 @@
-Subproject commit 25b367290f60a2d71bdb4aced1f18762cc77cdba
+Subproject commit ce135d421f225550f813b8c1fc3163331cf698f6