Revert "refine the test."

This reverts commit 19579bb5342a55bdbddff1c2a6b64c8df5534146.
Revert "refine the test."

This reverts commit 433326afcf5c851d09f9af9068752445740034b9.
Revert "add test major compaction with error."

This reverts commit 91a954a0af68e73d6b01bbf5ba0ea1754477d330.
Revert "Refine the comments."

This reverts commit f5bea1f5e54ae8af1ee9a91652e04a8bf99d235f.
Revert "Commit the patch in JIRA"

This reverts commit 845fefb056bbb5f6341078e67c998aa1105982fc.