[Bug 1552690] Re: i386 test failures test_address_space and test_resident_set_size

[Chuck Short]

This is still an issue in the master branch.

** Also affects: oslo.concurrency
   Importance: Undecided
       Status: New

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Title:
  i386 test failures test_address_space and test_resident_set_size

Status in oslo.concurrency:
  New
Status in python-oslo.concurrency package in Ubuntu:
  New

Bug description:
  These tests fail on i386:

  ======================================================================
  FAIL: oslo_concurrency.tests.unit.test_processutils.PrlimitTestCase.test_address_space
  oslo_concurrency.tests.unit.test_processutils.PrlimitTestCase.test_address_space
  ----------------------------------------------------------------------
  _StringException: Empty attachments:
    stderr

  Traceback (most recent call last):
    File "oslo_concurrency/tests/unit/test_processutils.py", line 793, in test_address_space
      self.check_limit(prlimit, 'RLIMIT_AS', prlimit.address_space)
    File "oslo_concurrency/tests/unit/test_processutils.py", line 789, in check_limit
      self.assertEqual(stdout.rstrip(), str(expected))
    File "/usr/lib/python2.7/dist-packages/testtools/testcase.py", line 350, in assertEqual
      self.assertThat(observed, matcher, message)
    File "/usr/lib/python2.7/dist-packages/testtools/testcase.py", line 435, in assertThat
      raise mismatch_error
  testtools.matchers._impl.MismatchError: '(1073741824L, 1073741824L)' != '(1073741824, 1073741824)'

  ======================================================================
  FAIL: oslo_concurrency.tests.unit.test_processutils.PrlimitTestCase.test_resident_set_size
  oslo_concurrency.tests.unit.test_processutils.PrlimitTestCase.test_resident_set_size
  ----------------------------------------------------------------------
  _StringException: Empty attachments:
    stderr

  Traceback (most recent call last):
    File "oslo_concurrency/tests/unit/test_processutils.py", line 798, in test_resident_set_size
      self.check_limit(prlimit, 'RLIMIT_RSS', max_memory)
    File "oslo_concurrency/tests/unit/test_processutils.py", line 789, in check_limit
      self.assertEqual(stdout.rstrip(), str(expected))
    File "/usr/lib/python2.7/dist-packages/testtools/testcase.py", line 350, in assertEqual
      self.assertThat(observed, matcher, message)
    File "/usr/lib/python2.7/dist-packages/testtools/testcase.py", line 435, in assertThat
      raise mismatch_error
  testtools.matchers._impl.MismatchError: '(1073741824L, 1073741824L)' != '(1073741824, 1073741824)'

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