[HUDI-7467] Fixing flaky deltastreamer tests for auto record key gen

[nsivabalan]

Change Logs

Fixing flaky deltastreamer tests for auto record key gen

Impact

Fixing flaky deltastreamer tests for auto record key gen

Risk level (write none, low medium or high below)

low

Documentation Update

Describe any necessary documentation update if there is any new feature, config, or user-facing change. If not, put "none".

• The config description must be updated if new configs are added or the default value of the configs are changed
• Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the
  ticket number here and follow the instruction to make
  changes to the website.

Contributor's checklist

• Read through contributor's guide
• Change Logs and Impact were stated clearly
• Adequate tests were added if applicable
• CI passed

[hudi-bot]

CI report:

• 04bc33a Azure: SUCCESS

Bot commands

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• @hudi-bot run azure re-run the last Azure build