skip failing test in a week
1) Failure: TestGc#test_gc_stress_at_startup [/home/chkbuild/chkbuild/tmp/build/20250530T213003Z/ruby/test/ruby/test_gc.rb:799]: [Bug #15784] pid 1748790 killed by SIGSEGV (signal 11) (core dumped). 1. [3/3] Assertion for "success?" | Expected #<Process::Status: pid 1748790 SIGSEGV (signal 11) (core dumped)> to be success?.
skip failing test in a week