Tests failed on Solaris:
http://buildbot.python.org/all/builders/AMD64%20Solaris%2011%20%5BSB%5D%203.x/builds/3895/steps/test/logs/stdio

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ERROR: test_deleted_cwd (test.test_importlib.import_.test_path.Source_FinderTests)
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Traceback (most recent call last):
  File "/home/cpython/buildslave/cc-32/3.x.snakebite-solaris11-amd64/build/Lib/test/test_importlib/import_/test_path.py", line 167, in test_deleted_cwd
    os.chdir(path)
  File "/home/cpython/buildslave/cc-32/3.x.snakebite-solaris11-amd64/build/Lib/tempfile.py", line 711, in __exit__
    self.cleanup()
  File "/home/cpython/buildslave/cc-32/3.x.snakebite-solaris11-amd64/build/Lib/tempfile.py", line 715, in cleanup
    _shutil.rmtree(self.name)
  File "/home/cpython/buildslave/cc-32/3.x.snakebite-solaris11-amd64/build/Lib/shutil.py", line 474, in rmtree
    onerror(os.rmdir, path, sys.exc_info())
  File "/home/cpython/buildslave/cc-32/3.x.snakebite-solaris11-amd64/build/Lib/shutil.py", line 472, in rmtree
    os.rmdir(path)
OSError: [Errno 22] Invalid argument: '/tmp/tmpsx3fm0t4'

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