Project: Explicitly support predicate locks in index AMs besides b-tree


During this week, I mostly worked on testing to verify my code and on
debugging to solve some issues I was having. I have specifically created
two tests. The first test is about verifying serialization failure when
there is a read-write conflict. The second one is about checking false
positives. We need to make sure that it doesn't generate false positive
serialization failures.  So far, I have got expected results. Any feedback
on results will be appreciated.

link to the code :

For more details about testing, please have a look at attached files.


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