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