Please review: 49461 improve lib389 db2index handling for tests,

[William Brown]

https://pagure.io/389-ds-base/issue/49461

https://pagure.io/389-ds-base/issue/raw/files/8b194168b695b4097996fa590
a000d6c4e1540bcc772d1eeb71a768e09480dd0-0001-Ticket-49461-Improve-
db2index-handling-for-test-4929.patch