[test] fix ext/nqp-rx/t/nqp/67-threads.t thread-safety
[test] fix ext/nqp-rx/t/nqp/67-threads.t thread-safety

do not use test_more.pir yet

youprofit/parrot,parrot/parrot,parrot/parrot,FROGGS/parrot,parrot/parrot,tkob/parrot,tkob/parrot,FROGGS/parrot,tkob/parrot,parrot/parrot,FROGGS/parrot,tkob/parrot,youprofit/parrot,tkob/parrot,youprofit/parrot,youprofit/parrot,tkob/parrot,FROGGS/parrot,FROGGS/parrot,parrot/parrot,tkob/parrot,FROGGS/parrot,youprofit/parrot,youprofit/parrot,FROGGS/parrot,youprofit/parrot,FROGGS/parrot,youprofit/parrot,tkob/parrot