tree de3ba7f7c1c9864d646e29c9e9a054479c726682
parent 2f2688cb1fa47749bb76b4377d9dfbe28d75f265
author Ilya Bumarskov <bumarskov@gmail.com> 1591014216 +0400
committer Pavlo Shchelokovskyy <shchelokovskyy@gmail.com> 1654686608 +0300

Add extension check for UpdateSubnetTest

subnet_allocation is required for following tests:
- test_update_allocation_pools
- test_update_allocation_pools_to_empty
- test_update_to_no_allocation_pools

Related-PROD: PRODX-5284
Change-Id: I066bd1f87e124293968afcc9487edba5582dfc51
(cherry picked from commit 8281cd77fb7dbe3608d169e777a31d342c35c0c9)