Description: Skip dubious tests
 The disabled tests are not reliable. Let's skip them
 until this problem is fixed upstream
Bug: https://github.com/perl6/nqp/issues/427
Forwarded: no
Author: dod
--- a/t/concurrency/01-thread.t
+++ b/t/concurrency/01-thread.t
@@ -1,4 +1,4 @@
-plan(24);
+plan(22);
 
 # 2 tests
 {
@@ -125,7 +125,7 @@
 # Sibling child threads case for threadyield()
 # This test intentionally does not use proper synchronization primitives,
 # so that threadyield can be tested independently of locks/condvars/etc.
-{
+if (0) {
     my @a;
     my $t1 := nqp::newthread({
         nqp::push(@a, 'a');
