Suggested change to https://github.com/openstack/tripleo-quickstart-extras/blob/master/playbooks/multinode-standalone.yml

multinode-standalone.diff

diff --git a/playbooks/multinode-standalone.yml b/playbooks/multinode-standalone.yml
index 36fc9f7..290bf23 100644
--- a/playbooks/multinode-standalone.yml
+++ b/playbooks/multinode-standalone.yml
@@ -47,6 +47,8 @@

 - name: Validate the deployment
   hosts: undercloud
+  vars_files:
+    - "{{ playbook_dir }}/../roles/validate-tempest/vars/tempest_skip_master.yml"
   tasks:
     - include_role:
         name: os_tempest
@@ -70,6 +72,7 @@
         tempest_public_subnet_cidr: '{{ tempest_cidr }}'
         tempest_public_subnet_gateway_ip: '{{ tempest_cidr|nthhost(1) }}'
         tempest_public_subnet_allocation_pools: '{{ tempest_cidr|nthhost(100) ~ "-" ~ tempest_cidr|nthhost(120) }}'
+        tempest_test_blacklist: "{{ known_failures }}"
         tempest_workspace: '/home/zuul/tempest'
         stackviz_venv_bin: "/home/zuul/stackviz_venv/bin"
       when: