breezy.tests.test_index.TestCombinedGraphIndex.test_iter_all_entries_reloads is flaky

breezy.tests.test_index.TestCombinedGraphIndex.test_iter_all_entries_reloads

and

breezy.tests.test_index.TestCombinedGraphIndex.test_iter_entries_reloads

are flaky on Python3 and sometimes fail with:

00:29:58 E: FAIL: python3.breezy.tests.test_index.TestCombinedGraphIndex.test_iter_all_entries_reloads
00:29:58 E: python3.breezy.tests.test_index.TestCombinedGraphIndex.test_iter_all_entries_reloads
00:29:58 E: ----------------------------------------------------------------------
00:29:58 E: _StringException: log: {{{102.337 Trying to reload after getting exception: No such file: '1'}}}
00:29:58 E:
00:29:58 E: Traceback (most recent call last):
00:29:58 E: File "/workspace/brz/land-brz/work/breezy/tests/test_index.py", line 1373, in test_iter_all_entries_reloads
00:29:58 E: result)
00:29:58 E: File "/workspace/brz/land-brz/work/breezy/tests/__init__.py", line 1310, in assertEqual
00:29:58 E: pprint.pformat(a), pprint.pformat(b)))
00:29:58 E: AssertionError: not equal:
00:29:58 E: a = [(GraphIndex('memory+140572452384104:///3'), (b'1',), b''),
00:29:58 E: (GraphIndex('memory+140572452384104:///3'), (b'2',), b'')]
00:29:58 E: b = [(GraphIndex('memory+140572452384104:///3'), (b'2',), b''),
00:29:58 E: (GraphIndex('memory+140572452384104:///3'), (b'1',), b'')]
00:29:58 E:
00:29:58 E:
00:29:58 E: ======================================================================
00:29:58 E: FAIL: python3.breezy.tests.test_index.TestCombinedGraphIndex.test_iter_entries_reloads
00:29:58 E: python3.breezy.tests.test_index.TestCombinedGraphIndex.test_iter_entries_reloads
00:29:58 E: ----------------------------------------------------------------------
00:29:58 E: _StringException: log: {{{102.738 Trying to reload after getting exception: No such file: '1'}}}
00:29:58 E:
00:29:58 E: Traceback (most recent call last):
00:29:58 E: File "/workspace/brz/land-brz/work/breezy/tests/test_index.py", line 1340, in test_iter_entries_reloads
00:29:58 E: result)
00:29:58 E: File "/workspace/brz/land-brz/work/breezy/tests/__init__.py", line 1310, in assertEqual
00:29:58 E: pprint.pformat(a), pprint.pformat(b)))
00:29:58 E: AssertionError: not equal:
00:29:58 E: a = [(GraphIndex('memory+140572455840120:///3'), (b'1',), b''),
00:29:58 E: (GraphIndex('memory+140572455840120:///3'), (b'2',), b'')]
00:29:58 E: b = [(GraphIndex('memory+140572455840120:///3'), (b'2',), b''),
00:29:58 E: (GraphIndex('memory+140572455840120:///3'), (b'1',), b'')]
00:29:58 E:
00:29:58 E: