Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Mock additional methods related to OpenStackFlavor

    keystone_utils.keystone_client() and keystone_utils.get_project()
    have to be mocked when unit testing flavor creation since [1].

    [1] https://gerrit.opnfv.org/gerrit/#/c/52157/

    Change-Id: I898cde1001c14d0b450c3dd43ade7dca47b1ffb3
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 3beed1c..05fb960 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 3beed1cd99ae8727441e7b7afcd6e6afc2bb7afb
+Subproject commit 05fb960bb689ab2ce8b5601dd1a186532778a0d8