Updated git submodules

Project: integration/test master 9b6473789ef58a493a4fbd4a713035db635f318b

Pin requests==2.15.1 for tox coala

Otherwise there is a conflict on chardet version.

Change-Id: Id2e2ada4fc95ad92ce90c355d8ff56ac0508d9db
Signed-off-by: Vratko Polak <vrpolak@cisco.com>

diff --git a/docs/submodules/integration/test b/docs/submodules/integration/test
index 62ad7a2f4d5da7231fdd3bf8910b5ec59280a878..9b6473789ef58a493a4fbd4a713035db635f318b 160000 (submodule)
--- a/docs/submodules/integration/test
+++ b/docs/submodules/integration/test
@@ -1 +1 @@
-Subproject commit 62ad7a2f4d5da7231fdd3bf8910b5ec59280a878
+Subproject commit 9b6473789ef58a493a4fbd4a713035db635f318b