Switch taskflow to use the unittests slave script

Instead of using the tox slave script which doesn't report back
very meaningful (if any) testr results to review system use the
unittests one which does provide this information just like the
standard jobs.

Closes-Bug: 1273850

Change-Id: I11ff92ed719f665064336a1fcf8111d1d652e991

modules/openstack_project/files/jenkins_job_builder/config/macros.yaml

@@ -219,6 +219,14 @@
     builders:
       - shell: "/usr/local/jenkins/slave_scripts/run-tox.sh {envlist}"
 
+- builder:
+    name: unittests
+    builders:
+      # NOTE(harlowja): the 'py' prefix will be added on automatically to the
+      # {envlist} by the internals of the run-unittests.sh script (so make
+      # sure you don't include it yourself).
+      - shell: "/usr/local/jenkins/slave_scripts/run-unittests.sh {envlist}"
+
 - builder:
     name: assert-no-extra-files
     builders:

modules/openstack_project/files/jenkins_job_builder/config/projects.yaml

@@ -2313,11 +2313,12 @@
       - python-jobs
       - openstack-publish-jobs
       - pypi-jobs
-      - gate-{name}-tox-{envlist}:
-          envlist: py26-sa7-mysql
+      - gate-{name}-unittests-{envlist}:
+          # NOTE(harlowja): the 'py' prefix will be added on automatically.
+          envlist: "26-sa7-mysql"
           node: bare-centos6
-      - gate-{name}-tox-{envlist}:
-          envlist: py27-sa8-mysql
+      - gate-{name}-unittests-{envlist}:
+          envlist: "27-sa8-mysql"
 
 - project:
     name: cl-openstack-client

modules/openstack_project/files/jenkins_job_builder/config/python-jobs.yaml

@@ -201,6 +201,27 @@
 
     node: '{node}'
 
+- job-template:
+    name: 'gate-{name}-unittests-{envlist}'
+
+    wrappers:
+      - build-timeout:
+          timeout: 40
+      - timestamps
+
+    builders:
+      - revoke-sudo
+      - gerrit-git-prep
+      - unittests:
+          envlist: '{envlist}'
+      - assert-no-extra-files
+
+    publishers:
+      - test-results
+      - console-log
+
+    node: '{node}'
+
 - job-template:
     name: '{name}-tarball'
     node: 'bare-precise || bare-trusty'

modules/openstack_project/files/zuul/layout.yaml

@@ -1327,11 +1327,11 @@ projects:
       - name: integrated-gate
       - name: publish-to-pypi
     check:
-      - gate-taskflow-tox-py26-sa7-mysql
-      - gate-taskflow-tox-py27-sa8-mysql
+      - gate-taskflow-unittests-26-sa7-mysql
+      - gate-taskflow-unittests-27-sa8-mysql
     gate:
-      - gate-taskflow-tox-py26-sa7-mysql
-      - gate-taskflow-tox-py27-sa8-mysql
+      - gate-taskflow-unittests-26-sa7-mysql
+      - gate-taskflow-unittests-27-sa8-mysql
 
   - name: openstack/trove
     template: