Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Force result = 0 if exception

    self.result can be positive due to intermediary steps (scenarios).
    Else it can return false positives [1].

    [1] https://build.opnfv.org/ci/view/functest/job/functest-apex-virtual-suite-master/113/console

    Change-Id: Iecadee7f7380fda5273a0668aff1b441647c45aa
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit f83c5fc1f0ecd3b93a39b3cf90ed9cd478cb37a6)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index d3f4ac5..7ca03ea 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit d3f4ac51cb1b3485e6d86b2d5d079456b0f056fd
+Subproject commit 7ca03eaf570f3f8c89adcef395bff3bbabecb050