Drop py35 tests

Drop py35 tests because all the integration testing
has been moved to Bionic.

See the following URL for more details.

http://lists.openstack.org/pipermail/openstack-discuss/2019-April/005097.html

Co-Authored-By: Takashi Natsume <natsume.takashi@lab.ntt.co.jp>
Change-Id: Ied64e92d5833ed11e1213c42994cfebeaa2ace6a
Signed-off-by: zhangyangyang <zhangyangyang@unionpay.com>

.zuul.yaml

@@ -17,7 +17,6 @@
       - openstack-cover-jobs
       - openstack-lower-constraints-jobs
       - openstack-python-jobs
-      - openstack-python35-jobs
       - openstack-python36-jobs
       - openstack-python37-jobs
       - publish-openstack-docs-pti

doc/source/contributor/testing.rst

@@ -11,14 +11,14 @@ test targets that can be run to validate the code.
 ``tox -e py27``
   Traditional unit testing (Python 2.7).
 
-``tox -e py35``
-  Traditional unit testing (Python 3.5).
+``tox -e py36``
+  Traditional unit testing (Python 3.6).
 
 ``tox -e functional``
   Live functional testing against an existing OpenStack instance. (Python 2.7)
 
-``tox -e functional-py35``
-  Live functional testing against an existing OpenStack instance. (Python 3.5)
+``tox -e functional-py36``
+  Live functional testing against an existing OpenStack instance. (Python 3.6)
 
 ``tox -e cover``
   Generate a coverage report on unit testing.

setup.cfg

@@ -19,7 +19,6 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.5
     Programming Language :: Python :: 3.6
 
 [files]

tox.ini

@@ -1,6 +1,5 @@
-# noted to use py35 you need virtualenv >= 1.11.4
 [tox]
-envlist = py35,py27,pep8,docs
+envlist = py36,py27,pep8,docs
 minversion = 2.0
 skipsdist = True
 
@@ -66,8 +65,8 @@ commands =
   stestr --test-path=./novaclient/tests/functional run --concurrency=1 {posargs}
   python novaclient/tests/functional/hooks/check_resources.py
 
-[testenv:functional-py35]
-basepython = python3.5
+[testenv:functional-py36]
+basepython = python3.6
 passenv = OS_NOVACLIENT_TEST_NETWORK
 commands =
   stestr --test-path=./novaclient/tests/functional run --concurrency=1 {posargs}