Тempest test tempest.api.network.test_ports.PortsTestJSON is failed

[Sergii Turivnyi]

Detailed bug description:
ISO: http://paste.openstack.org/show/492962/
Configuration: [9.0][MOSQA] Tempest 9.0 (VLAN_CINDER-TEMPEST,HA,Cinder LVM,Swift(api))

Steps to reproduce:
Deploy ISO in configuration see (Detailed bug description)

Expected results:
Test is passed

Actual result:
Test is Failed

Reproducibility:
See attachment

Workaround:
---

Impact:
---

Description of the environment:
See (Detailed bug description)

Additional information:
Error Message

test failed

Stacktrace

Traceback (most recent call last):
  File "tempest/api/network/test_ports.py", line 139, in test_show_port
    (port, excluded_keys=['extra_dhcp_opts']))
  File "/home/rally/.rally/tempest/for-deployment-df4590ac-979d-4928-a824-8725bb143ac8/.venv/local/lib/python2.7/site-packages/testtools/testcase.py", line 447, in assertThat
    raise mismatch_error
testtools.matchers._impl.MismatchError: Differences:
  created_at: expected 2016-04-04T23:41:10, actual 2016-04-04T23:41:09
  updated_at: expected 2016-04-04T23:41:10, actual 2016-04-04T23:41:09

[Sergii Turivnyi (sturivnyi)]

This bug duplicate of https://bugs.launchpad.net/mos/+bug/1571610