multicast scenario test failing when guest image don't have python3 installed

[Slawek Kaplonski]

In neutron-tempest-plugin we have scenario test for multicast traffic. This test require "advanced image" to be used in VMs as it requires python3 to be installed.
But there is way that some advanced image without python3 can be used (e.g. RHEL 8) and then this test is failing but should be skipped.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/680428

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/680428
Committed: https://git.openstack.org/cgit/openstack/neutron-tempest-plugin/commit/?id=2f467caa9821a9e9fbe7d77069a40115337af275
Submitter: Zuul
Branch: master

commit 2f467caa9821a9e9fbe7d77069a40115337af275
Author: Slawek Kaplonski <email address hidden>
Date: Thu Sep 5 16:28:09 2019 +0200

    Skip multicast test if there is no python3 on VM

    For example RHEL 8 image don't have Python installed by default,
    so this test will fail when it should be skipped.

    With this patch it will be skipped as before trying to start
    multicast sender/receiver scripts, there is simple check if
    python3 binary exists on VM.

    Change-Id: I25cb5b159330ac80777f8ea784e98fa06e6e056f
    Closes-Bug: #1842934

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/neutron-tempest-plugin 0.6.0 release.