[UI][Tests] UI tests don't pass on check state of cluster

[Vadim Rovachev]

 UI tests failed on check state of cluster with StaleElementReferenceException
------------------------------------------------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jenkins/workspace/gate-ui-tests/saharadashboard/tests/cluster_tests/test_clusters.py", line 67, in test_create_vanilla_cluster
    cfg.vanilla, await_run=await_run)
  File "saharadashboard/tests/base.py", line 196, in create_cluster
    self.await_cluster_active(name)
  File "saharadashboard/tests/base.py", line 817, in await_cluster_active
    find_element_by_xpath("../../td[3]").text
  File "/home/jenkins/workspace/gate-ui-tests/.tox/uitests/local/lib/python2.7/site-packages/selenium/webdriver/remote/webelement.py", line 200, in find_element_by_xpath
    return self.find_element(by=By.XPATH, value=xpath)
  File "/home/jenkins/workspace/gate-ui-tests/.tox/uitests/local/lib/python2.7/site-packages/selenium/webdriver/remote/webelement.py", line 376, in find_element
    {"using": by, "value": value})['value']
  File "/home/jenkins/workspace/gate-ui-tests/.tox/uitests/local/lib/python2.7/site-packages/selenium/webdriver/remote/webelement.py", line 369, in _execute
    return self._parent.execute(command, params)
  File "/home/jenkins/workspace/gate-ui-tests/.tox/uitests/local/lib/python2.7/site-packages/selenium/webdriver/remote/webdriver.py", line 164, in execute
    self.error_handler.check_response(response)
  File "/home/jenkins/workspace/gate-ui-tests/.tox/uitests/local/lib/python2.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 164, in check_response
    raise exception_class(message, screen, stacktrace)
StaleElementReferenceException: Message: u'Element is no longer attached to the DOM' ; Stacktrace:
    at fxdriver.cache.getElementAt (resource://fxdriver/modules/web_element_cache.js:7613)
    at Utils.getElementAt (file:///<email address hidden>/components/driver_component.js:7210)
    at FirefoxDriver.prototype.findElementInternal_ (file:///<email address hidden>/components/driver_component.js:8894)
    at FirefoxDriver.prototype.findChildElement (file:///<email address hidden>/components/driver_component.js:8916)
    at DelayedCommand.prototype.executeInternal_/h (file:///<email address hidden>/components/command_processor.js:10878)
    at DelayedCommand.prototype.executeInternal_ (file:///<email address hidden>/components/command_processor.js:10883)
    at DelayedCommand.prototype.execute/< (file:///<email address hidden>/components/command_processor.js:10825)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/81231

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/81231
Committed: https://git.openstack.org/cgit/openstack/sahara-dashboard/commit/?id=99978d2e8c8acc18c5b779315a809ffcdfe4d9bd
Submitter: Jenkins
Branch: master

commit 99978d2e8c8acc18c5b779315a809ffcdfe4d9bd
Author: Vadim Rovachev <email address hidden>
Date: Tue Mar 18 14:59:35 2014 +0400

    Add sleep in await state cluster method

    Add sleep in await state cluster method for close bug
    Closes-bug: #1294039

    Change-Id: Idce02932aaf76417849367729f639d385ad0f35f