Re-enable rally-verify-tempest

Change-Id: Icbe31fc82eb7b7731b43c1346201b642be76ea4e

.zuul.d/zuul.yaml

@@ -80,7 +80,7 @@
             voting: false
         - rally-task-zaqar:
             voting: false
-        #- rally-verify-tempest
+        - rally-verify-tempest
     gate:
       jobs:
         - rally-tox-cover
@@ -119,7 +119,7 @@
               - rally_openstack/task/scenarios/neutron/trunk.py
               - rally_openstack/task/scenarios/neutron/network.py
               - tests/ci/playbooks
-        #- rally-verify-tempest
+        - rally-verify-tempest
     post:
       jobs:
         - rally-openstack-docker-build-and-push:

tests/ci/playbooks/run-rally-verify.yaml

@@ -14,8 +14,8 @@
       executable: /bin/bash
 
   - name: Run Rally verify
-      shell:
-        cmd: |
-          cd {{ zuul.project.src_dir }}
+    shell: |
+      . /opt/stack/data/venv/bin/activate
       python3 tests/ci/rally_verify.py
-        executable: /bin/bash
+    args:
+      chdir: "{{ zuul.project.src_dir }}"