Version 2.1.1-1 of r-cran-nloptr is marked for autoremoval from testing on Tue 22 Apr 2025. It depends (transitively) on r-cran-testthat, affected by #1099927. You should try to prevent the removal by fixing these RC bugs.
Migration status for r-cran-nloptr (2.1.1-1 to 2.2.1-1): BLOCKED: Cannot migrate due to another item, which is blocked (please check which dependencies are stuck)