Add waiter to access create on resource setup

This commit is a follow-up action for [1], where we added a
couple of waiters to ensure that the access rule status will
be what we expect prior to running the tests.

[1] https://review.opendev.org/c/openstack/manila-tempest-plugin/+/886635

Change-Id: I3458a7d2a1d05e295733c7a9a5ae302b1b76e144

manila_tempest_tests/tests/api/test_access_rules_metadata_negative.py

@@ -20,6 +20,7 @@ from tempest.lib import exceptions as lib_exc
 from testtools import testcase as tc
 
 from manila_tempest_tests.common import constants
+from manila_tempest_tests.common import waiters
 from manila_tempest_tests.tests.api import base
 from manila_tempest_tests import utils
 
@@ -67,6 +68,9 @@ class AccessesMetadataNegativeTest(base.BaseSharesMixedTest):
         cls.access = cls.shares_v2_client.create_access_rule(
             cls.share["id"], cls.access_type, cls.access_to,
             'rw', metadata={u"key1": u"value1"})['access']
+        waiters.wait_for_resource_status(
+            cls.shares_v2_client, cls.share["id"], "active",
+            resource_name='access_rule', rule_id=cls.access["id"])
 
     @decorators.idempotent_id('d2d41db8-ae00-4641-a5ec-499cee1877f1')
     @tc.attr(base.TAG_NEGATIVE, base.TAG_API_WITH_BACKEND)