[issue20069] Add unit test for os.chown

[Vajrasky Kok]

New submission from Vajrasky Kok:

There is no tests for os.chown except for the invalid input.

Attached the patch to add tests for os.chown. This test has not exercised the keyword `dir_fd` and `follow_symlinks` because `follow_symlinks` (I think) is kinda broken on Windows and I prefer to add unit test for `dir_fd` keyword in different ticket.

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components: Tests
files: add_unit_test_os_chown.patch
keywords: patch
messages: 206936
nosy: vajrasky
priority: normal
severity: normal
status: open
title: Add unit test for os.chown
type: behavior
versions: Python 3.3, Python 3.4
Added file: http://bugs.python.org/file33266/add_unit_test_os_chown.patch

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