Test failure
ERROR: test_prepare_hs01.test_prepare_hs01.test_prepare_hs(string-row) (subunit.RemotedTestCase)
test_prepare_hs01.test_prepare_hs01.test_prepare_hs(string-row)
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testtools.testresult.real._StringException: Traceback (most recent call last):
  File "/data/mci/7657fccf8420bab054182635f17cc183/wiredtiger/test/suite/test_prepare_hs01.py", line 152, in test_prepare_hs
    self.prepare_updates(uri, ds, nrows, nsessions, nkeys)
  File "/data/mci/7657fccf8420bab054182635f17cc183/wiredtiger/test/suite/test_prepare_hs01.py", line 112, in prepare_updates
    self.check(uri, ds, nrows, nsessions, nkeys, 2, bigvalue1, bigvalue2)
  File "/data/mci/7657fccf8420bab054182635f17cc183/wiredtiger/test/suite/test_prepare_hs01.py", line 52, in check
    self.assertEquals(cursor.search(), 0)
_wiredtiger.WiredTigerError: WT_ROLLBACK: conflict between concurrent operations
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Ran 8995 tests in 7557.523s
Link: https://evergreen.mongodb.com/task_log_raw/wiredtiger_macos_1014_unit_test_53b56fe602885f0fc997872e59f6112eca46b876_22_05_02_06_39_50/0?type=T#L33327

Evergreen YAML Script Failure
Command failed: command encountered problem: error waiting on process 'dcfb8f96-d580-48d3-ad73-955b52b408a1': exit status 1

Link: https://evergreen.mongodb.com/task_log_raw/wiredtiger_macos_1014_unit_test_53b56fe602885f0fc997872e59f6112eca46b876_22_05_02_06_39_50/0?type=T#L33343