Add precombined key and payload class related coverage

[hudi-bot]

JIRA info

• Link: https://issues.apache.org/jira/browse/HUDI-8566
• Type: Test
• Fix version(s):
  • 1.1.0

[hudi-bot]

Linked PR(s)

• [HUDI-8566] Test coverage of default hoodie avro payload class for MIT #12318

[yihua]

@Davis-Zhang-Onehouse is this still needed?

[Davis-Zhang-Onehouse]

we can close this one as the test coverage is merged in #10337