Updated git submodules

Project: integration/test master 4f5fb7b3ef48107af186826dba60d0535e9a9e17

Do not keep pep8 version fixed in tox file

The latest flake8/mccabe upgrade was not that disruptive.
This will give us a choice whether we want to fix or hide newly discovered issues.

Change-Id: Idc0adbdf23f7e149d89994ecd3e079c312c9e172
Signed-off-by: Vratko Polak <vrpolak@cisco.com>

diff --git a/docs/submodules/integration/test b/docs/submodules/integration/test
index ce135d421f225550f813b8c1fc3163331cf698f6..4f5fb7b3ef48107af186826dba60d0535e9a9e17 160000 (submodule)
--- a/docs/submodules/integration/test
+++ b/docs/submodules/integration/test
@@ -1 +1 @@
-Subproject commit ce135d421f225550f813b8c1fc3163331cf698f6
+Subproject commit 4f5fb7b3ef48107af186826dba60d0535e9a9e17