[System tests]Overloaded server

[Egor Kotko]

{"build_id": "2014-06-04_09-16-08", "mirantis": "yes", "build_number": "341", "nailgun_sha": "a828d6b7610f872980d5a2113774f1cda6f6810b", "ostf_sha": "c959aa55f83fe2555cf2d382559271c7a9b17467", "fuelmain_sha": "7ed0f85acc0bab4b9157703a618b8cc9fd7de3e1", "astute_sha": "55df06b2e84fa5d71a1cc0e78dbccab5db29d968", "release": "4.1B", "fuellib_sha": "0e96fc5a340cd57f75c454ea8536471379299494"}

Two threads of system tests were executed on one server. As result some test were failed.
Revert and check with one online environment - all works fine.

ERROR: Deploy cluster with untagged networks
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Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/proboscis/case.py", line 296, in testng_method_mistake_capture_func
    compatability.capture_type_error(s_func)
  File "/usr/lib/python2.7/dist-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/usr/lib/python2.7/dist-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/home/jenkins/workspace/4.1_fuelmain.system_test.centos.thread_2/fuelweb_test/helpers/decorators.py", line 48, in wrapper
    return func(*args, **kwagrs)
  File "/home/jenkins/workspace/4.1_fuelmain.system_test.centos.thread_2/fuelweb_test/tests/test_simple.py", line 446, in deploy_untagged_network
    self.fuel_web.verify_network(cluster_id)
  File "/home/jenkins/workspace/4.1_fuelmain.system_test.centos.thread_2/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/4.1_fuelmain.system_test.centos.thread_2/fuelweb_test/models/fuel_web_client.py", line 649, in verify_network
    self.assert_task_success(task, 60 * 2, interval=10)
  File "/home/jenkins/workspace/4.1_fuelmain.system_test.centos.thread_2/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/4.1_fuelmain.system_test.centos.thread_2/fuelweb_test/models/fuel_web_client.py", line 192, in assert_task_success
    task = self.task_wait(task, timeout, interval)
  File "/home/jenkins/workspace/4.1_fuelmain.system_test.centos.thread_2/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/4.1_fuelmain.system_test.centos.thread_2/fuelweb_test/models/fuel_web_client.py", line 502, in task_wait
    "was exceeded: ".format(task=task["name"], timeout=timeout))
TimeoutError: Waiting task "verify_networks" timeout 120 sec was exceeded:

[Igor Shishkin (teran)]

Current doesn't reproducible.