Summary
Found some issues with the implementation of begin_transaction and commit_transaction in the wiredtiger_simulator. This ticket focuses on fixing the same.

Motivation

• Does this affect any team outside of WT?
  No

• How likely is it that this use case or problem will occur?
  N/A

• If the problem does occur, what are the consequences and how severe are they?
  N/A

• Is this issue urgent?
  No

Acceptance Criteria (Definition of Done)
(When will this ticket be considered done? What is the acceptance criteria for this ticket to be closed?)

• Testing
  (What all testing needs to be done as part of this ticket? Unit? Functional? Performance?Testing at MongoDB side?)

• Documentation update
  (Does this ticket require a change in the architecture guide? If yes, please create a corresponding doc ticket.)

[Optional] Suggested Solution
(Is there any suggested solution to handle this issue? Is it related to any existing WT ticket? Is it related to any previous issue fixed? If yes, link the WT ticket number using related to, depends on, dependent on by links)