Remove a race with another file write that is not essential to test presence of duplicates.

[tvalentyn]

Fix a flake that happened in #40000

[tvalentyn]

R: @bvolpato

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[tvalentyn]

assign set of reviewers

[github-actions]

Assigning reviewers:

R: @jrmccluskey for label python.
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[jrmccluskey]

Test case is failing:

apache_beam.testing.util.BeamAssertException: Failed assert: ['/Users/runner/work/beam/beam/sdks/python/target/.tox/py311-macos/tmp/tmpd28ix9tp/tmpr3dn2ae0', '/Users/runner/work/beam/beam/sdks/python/target/.tox/py311-macos/tmp/tmpd28ix9tp/tmpr3dn2ae0'] == [FileMetadata(/Users/runner/work/beam/beam/sdks/python/target/.tox/py311-macos/tmp/tmpd28ix9tp/tmpr3dn2ae0, 0, 1792019102.680488), FileMetadata(/Users/runner/work/beam/beam/sdks/python/target/.tox/py311-macos/tmp/tmpd28ix9tp/tmpr3dn2ae0, 0, 1792019102.680488)], unexpected elements [FileMetadata(/Users/runner/work/beam/beam/sdks/python/target/.tox/py311-macos/tmp/tmpd28ix9tp/tmpr3dn2ae0, 0, 1792019102.680488), FileMetadata(/Users/runner/work/beam/beam/sdks/python/target/.tox/py311-macos/tmp/tmpd28ix9tp/tmpr3dn2ae0, 0, 1792019102.680488)], missing elements ['/Users/runner/work/beam/beam/sdks/python/target/.tox/py311-macos/tmp/tmpd28ix9tp/tmpr3dn2ae0', '/Users/runner/work/beam/beam/sdks/python/target/.tox/py311-macos/tmp/tmpd28ix9tp/tmpr3dn2ae0'] [while running 'assert_that/Match']

[tvalentyn]

oops, yes, I assumed it was preexisting

  11. [unknown]  1 test(s)
     suite  Python tests / Python Unit Tests (macos-latest, 3.13, py313)
     cause  BeamAssertException: Failed assert: ['/Users/runner/work/beam/beam/sdks/python/target/.tox/py313-macos/tmp/tmp_wi8zfq_/tmp5aikcszw', '/Users/runner/work/beam/beam/sdks/python/target/.tox/py313-macos/tmp/tmp_wi8zfq_/tmp5a
     why    no rule matched — needs a human
     test   MatchContinuouslyTest.test_without_deduplication (0s)
            apache_beam/runners/common.py:914 in apache_beam.runners.common.PerWindowInvoker.invoke_process
     chain  BeamAssertException → BeamAssertException
     log    https://github.com/apache/beam/actions/runs/38650898197/job/116149129946  (line ~19434)
     ── excerpt ──
     | [gw4] darwin -- Python 3.13.15 /Users/runner/work/beam/beam/sdks/python/target/.tox/py313-macos/bin/python
     | >   return self.do_fn_invoker.invoke_process(windowed_value)
     | apache_beam/runners/common.py:1512: 
     | _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
     | apache_beam/runners/common.py:914: in apache_beam.runners.common.PerWindowInvoker.invoke_process
     |     self._invoke_process_per_window(
     | apache_beam/runners/common.py:1059: in apache_beam.runners.common.PerWindowInvoker._invoke_process_per_window
     |     self.process_method(*args_for_process, **kwargs_for_process),
     | target/.tox/py313-macos/lib/python3.13/site-packages/apache_beam/transforms/core.py:2128: in <lambda>
     |     wrapper = lambda x, *args, **kwargs: [fn(x, *args, **kwargs)]
     |                                           ^^^^^^^^^^^^^^^^^^^^^^
     | _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
     | actual = [FileMetadata(/Users/runner/work/beam/beam/sdks/python/target/.tox/py313-macos/tmp/tmp_wi8zfq_/tmp5aikcszw, 0, 1792019...ta(/Users/runner/work/beam/beam/sdks/python/target/.tox/py313-macos/tm
     | equals_fn = <function row_namedtuple_equals_fn at 0x119868e00>
     |     def _equal(actual, equals_fn=equals_fn):
     |       expected_list = list(expected)
     |       # Try to compare actual and expected by sorting. This fails with a
     |       # TypeError in Python 3 if different types are present in the same
     |       # collection. It can also raise false negatives for types that don't have
     |       # a deterministic sort order, like pyarrow Tables as of 0.14.1
     |       if not equals_fn:
     |         equals_fn = row_namedtuple_equals_fn
     |         try:
     |           sorted_expected = sorted(expected)
     |           sorted_actual = sorted(actual)
     | … 15 more line(s) — open the log above
`

[tvalentyn]

_create_extra_file did a bit more than what was written in its name

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.94%. Comparing base (76f6e6d) to head (b4aa168).
⚠️ Report is 210 commits behind head on master.

Additional details and impacted files

@@              Coverage Diff              @@
##             master   #40596       +/-   ##
=============================================
+ Coverage     56.16%   79.94%   +23.77%     
=============================================
  Files          1124      488      -636     
  Lines        178336    82556    -95780     
  Branches       1489        0     -1489     
=============================================
- Hits         100170    65997    -34173     
+ Misses        75645    16559    -59086     
+ Partials       2521        0     -2521     

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python	79.94% <ø> (+0.38%)	⬆️

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