Set lower-constraint to run unit and functional

This sets up the lower-constraint tox environment to run both the unit and
functional tests. This should provide better coverage.

Change-Id: Ibef3a77ccdd5ee19ead8f9932f58f96b61ed7aa5

tox.ini

@@ -176,3 +176,7 @@ deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
+whitelist_externals = sh
+commands =
+    sh -c 'OS_TEST_PATH={toxinidir}/octavia/tests/unit stestr run {posargs}'
+    sh -c 'OS_TEST_PATH={toxinidir}/octavia/tests/functional stestr run {posargs}'

zuul.d/project.yaml

@@ -1,7 +0,0 @@
-- project:
-    check:
-      jobs:
-        - openstack-tox-lower-constraints
-    gate:
-      jobs:
-        - openstack-tox-lower-constraints

zuul.d/projects.yaml

@@ -11,6 +11,7 @@
         - neutron-lbaasv2-dsvm-py3x-scenario:
             branches: ^(?!stable/ocata).*$
             voting: false
+        - openstack-tox-lower-constraints
         - openstack-tox-functional:
             irrelevant-files:
               - ^.*\.rst$
@@ -39,6 +40,7 @@
     gate:
       queue: octavia
       jobs:
+        - openstack-tox-lower-constraints
         - openstack-tox-functional:
             irrelevant-files:
               - ^.*\.rst$