git commit has to be executed via shell module [1].
it also fixes Functest branch
[1] https://github.com/ansible/ansible/issues/50334
Change-Id: Ie4595f7bc2b54545b2f824f5ac3fb1d20340f13c
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
(cherry picked from commit 
abe7e05d27f7801b902821a85186dca0c9e563ae)
 [testenv]
 usedevelop = True
 deps =
-  -chttps://git.opnfv.org/functest/plain/upper-constraints.txt
+  -chttps://git.opnfv.org/functest/plain/upper-constraints.txt?h=stable/jerma
   -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/stable/train/upper-constraints.txt}
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
 
 [testenv:ansiblelint]
 basepython = python3.7
-commands = ansible-lint ansible/site.yml
+commands = ansible-lint -x303 ansible/site.yml
 
 [testenv:bandit]
 basepython = python3.7