Parse warning

A parse warning may reduce maintainability of the code, or it may indicate a serious error. A parse warning from the Coverity parser may indicate a bug, or poor coding practice
/test/cppsuite/tests/burst_inserts.cxx:92: PW.DECLARED_BUT_NOT_REFERENCED 120788 variable "committed" was declared but never referenced

There are two other issues:

https://coverity.corp.mongodb.com/reports.htm#v16729/p10049/fileInstanceId=38594421&defectInstanceId=20162081&mergedDefectId=120787

https://coverity.corp.mongodb.com/reports.htm#v16729/p10049/fileInstanceId=38594421&defectInstanceId=20162087&mergedDefectId=120785