[Tempest] Fix concurrency issue in scenario test

One our scenario tempest test [1] started failing randomly.
It was failing on resources removal. So, start deleting resources
in proper order.

[1] manila_tempest_tests.tests.scenario.test_share_basic_ops.\
        TestShareBasicOpsNFS.test_mount_share_one_vm

Change-Id: Ib1eba66e4d27552cf8e78b302a9f03ac84d978ba
Closes-Bug: #1647350
1 file changed
tree: a3b16e465389e10257ab38dc9b265d2fac8e5b14
  1. manila_tempest_tests/