Fix pool_list filter tests to match pools exactly

The Tempest tests for the scheduler's pool-list filters can match pools
other than the ones they should, because the regex strings are not
wrapped with ^ and $. We hit this in the NetApp CI system.

Closes-Bug: #1496375
Change-Id: I423ea164ff62df87e31e5b0ed5cf19870e897cde
1 file changed
tree: 9f6e274c6ef442d5b717b70ec08bfd8ac6c6f46f
  1. manila_tempest_tests/