Currently vmTestbase/gc/g1/ tests are executed with all GC during as a part of promotion testing. It is needed add corresponding tags @requires to the tests to prevent such failures and/or remove vmTestbase/gc/g1 tests when non-g1 gc are tested.

Also, the tests should not be run if class unloading is not enabled, so there is a need for:
@requires vm.opt.ClassUnloading != false
@requires vm.opt.ClassUnloadingWithConcurrentMark != false