Update api tests from tempest

This change is the result of running tools/copy_api_tests_from_tempest.sh

Change-Id: Ibcb6d11b3f7ed8b859c69d4c591bf785b0611416
diff --git a/neutron/tests/tempest/common/accounts.py b/neutron/tests/tempest/common/accounts.py
index e10817b..1fcef11 100644
--- a/neutron/tests/tempest/common/accounts.py
+++ b/neutron/tests/tempest/common/accounts.py
@@ -45,7 +45,14 @@
             accounts = {}
             self.use_default_creds = True
         self.hash_dict = self.get_hash_dict(accounts)
-        self.accounts_dir = os.path.join(CONF.oslo_concurrency.lock_path, 'test_accounts')
+        # FIXME(dhellmann): The configuration option is not part of
+        # the API of the library, because if we change the option name
+        # or group it will break this use. Tempest needs to set this
+        # value somewhere that it owns, and then use
+        # lockutils.set_defaults() to tell oslo.concurrency what value
+        # to use.
+        self.accounts_dir = os.path.join(CONF.oslo_concurrency.lock_path,
+                                         'test_accounts')
         self.isolated_creds = {}
 
     @classmethod