Flaky test: tests/snuba/tasks/test_unmerge.py::UnmergeTestCase::test_unmerge

[github-actions]

Failing test: tests/snuba/tasks/test_unmerge.py::UnmergeTestCase::test_unmerge
Sentry sha: 94eda9b
Run: https://github.com/getsentry/sentry/actions/runs/22291116321

�[1m�[31mtests/snuba/tasks/test_unmerge.py�[0m:433: in test_unmerge
    assert_series_contains(
�[1m�[31mtests/snuba/tasks/test_unmerge.py�[0m:408: in assert_series_contains
    assert actual.get(key, 0) == value
�[1m�[31mE   assert 10 == 9�[0m
�[1m�[31mE    +  where 10 = <built-in method get of dict object at 0x7ff6330b4d80>(1771812000.0, 0)�[0m
�[1m�[31mE    +    where <built-in method get of dict object at 0x7ff6330b4d80> = {1771812000: 10, 1771815600: 0}.get�[0m

[linear]

ENG-6745