failed: unit-test on macos-1014 [wiredtiger @ 8e8d4be3]

Test failure

[pid:77789]: ERROR: test_truncate19.test_truncate19.test_truncate19(string_row)

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[pid:77789]: testtools.testresult.real._StringException: Traceback (most recent call last):

  File "/data/mci/c94e54a76cc33ddac9e083395e9907ad/wiredtiger/test/suite/wttest.py", line 426, in _callTestMethod

    method()

  File "/data/mci/c94e54a76cc33ddac9e083395e9907ad/wiredtiger/test/suite/test_truncate19.py", line 76, in test_truncate19

    self.append_rows(uri, ds, 1, nrows, value_a)

  File "/data/mci/c94e54a76cc33ddac9e083395e9907ad/wiredtiger/test/suite/test_truncate19.py", line 49, in append_rows

    cursor[ds.key(i)] = value

  File "/data/mci/c94e54a76cc33ddac9e083395e9907ad/wiredtiger/cmake_build/lang/python/wiredtiger/swig_wiredtiger.py", line 352, in __setitem__

    if self.insert() != 0:

_wiredtiger.WiredTigerRollbackError: WT_ROLLBACK: conflict between concurrent operations

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Ran 11751 tests in 9396.135s

Link: https://evergreen.mongodb.com/task_log_raw/wiredtiger_macos_1014_unit_test_8e8d4be3138eba73b4d530b832dcf2cc545e2a64_22_11_01_04_22_51/0?type=T#L30502