[system tests] Incorrect list creation in configure_second_admin_firewall method

[Dmitry Tyzhnenko]

Tests in thread_7 group was filied with traceback:

ERROR: Create environment and set up master node
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 296, in testng_method_mistake_capture_func
    compatability.capture_type_error(s_func)
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_7/fuelweb_test/helpers/decorators.py", line 66, in wrapper
    return func(*args, **kwargs)
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_7/fuelweb_test/tests/base_test_case.py", line 60, in setup_master
    self.env.setup_environment()
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_7/fuelweb_test/models/environment.py", line 283, in setup_environment
    self.describe_second_admin_interface()
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_7/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_7/fuelweb_test/models/environment.py", line 507, in describe_second_admin_interface
    second_admin_netmask)
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_7/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_7/fuelweb_test/helpers/multiple_networks_hacks.py", line 71, in configure_second_admin_firewall
    ('-t nat -I POSTROUTING -s {0}/{1} -o eth+ -m comment --comment '
TypeError: 'str' object is not callable

In configure_second_admin_firewall method we missed comma when creating iptables rules

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/167546

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/167546
Committed: https://git.openstack.org/cgit/stackforge/fuel-qa/commit/?id=31548af41fecb3002c337e112a5770e3f624745d
Submitter: Jenkins
Branch: master

commit 31548af41fecb3002c337e112a5770e3f624745d
Author: Dmitry Tyzhnenko <email address hidden>
Date: Wed Mar 25 12:23:55 2015 +0200

    Add missed comma in multiple_networks_hacks.py

    Change-Id: I346ee25af0bc5ba1e6ad6f368b4e9857e71d2b6b
    Closes-bug: #1436255

[Dmitry Tyzhnenko (dtyzhnenko)]

Verified on CI - http://jenkins-product.srt.mirantis.net:8080/view/6.1_swarm/job/6.1.system_test.ubuntu.thread_7/79/console

ISO version

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