Calling os.makedirs fails even after we have check for directory existence.

[ashahba]

Looks like there is some race condition that causes os.makedires calls to fail randomly even after we have just checked if directory exists prior to creation.
here is one example and the error is:

W
Traceback (most recent call last):
 File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
   "__main__", fname, loader, pkg_name)
 File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
   exec code in run_globals
 File "/mnt/test-data-volume/kubeflow-presubmit-kubeflow-e2e-minikube-2447-7bbe31e-5722-c39c/src/kubeflow/kubeflow/testing/test_deploy.py", line 792, in <module>
   main()
 File "/mnt/test-data-volume/kubeflow-presubmit-kubeflow-e2e-minikube-2447-7bbe31e-5722-c39c/src/kubeflow/kubeflow/testing/test_deploy.py", line 756, in main
   os.makedirs(os.path.dirname(test_log))
 File "/usr/lib/python2.7/os.py", line 157, in makedirs
   mkdir(name, mode)
OSError: [Errno 17] File exists: '/mnt/test-data-volume/kubeflow-presubmit-kubeflow-e2e-minikube-2447-7bbe31e-5722-c39c/output/artifacts/logs'

[ashahba]

PR was merged and this one is can be safely closed now.