tree 5a09df7aa9435299cf9aeb97e8d3cf51e093fe43
parent 06fb3b903512926156e1aa1b64cdf60a9c9a1a80
author Gleb Zimin <gzimin@mirantis.com> 1651042898 +0400
committer Gleb Zimin <gzimin@mirantis.com> 1651043574 +0400

Do not test subnetpools in TF case

TF do not support subnet_allocation extension.
Also bring new method, that can be used as common in
tests to check TF backend.

Related-Prod: https://mirantis.jira.com/browse/PRODX-23390
Change-Id: I369de0530e940c3ddd35541f175f420e576063c5