It's called pairing.
Brett Kavanaugh to Be Rare Beneficiary of Senate Paired Voting
Votes of Republicans Lisa Murkowski and Steve Daines will be offset
https://www.rollcall.com/news/politics/brett-kavanaugh-rare-beneficiary-senate-paired-voting
What'd they used to says in times past? Pretty is as pretty does. Makes her a scag by that measure.