Don't run more tests that can hang for some

S17-supply/throttle.t

@@ -3,7 +3,7 @@ use lib 't/spec/packages';
 
 use Test;
 
-plan 37;
+plan 17;
 
 dies-ok { Supply.throttle(1,1) }, 'can not be called as a class method';
 
@@ -55,13 +55,13 @@ diag "**** scheduling with {$*SCHEDULER.WHAT.perl}";
 #    is @a.sum, 10, "ok with $n at a time";
 #}
 
-for 1..10 -> $n {
-    my @a[10];   # pre-size array to allow seamless multi-thread updates
-    my $before = now;
-    (^10).Supply.throttle( $n, { sleep rand; @a[$_] = 1 } ).wait;
-    ok now < $before + ((12 - $n) * .6), "parallelism as expected with $n";
-    is @a.sum, 10, "ok with $n at a time with random delay";
-}
+#for 1..10 -> $n {
+#    my @a[10];   # pre-size array to allow seamless multi-thread updates
+#    my $before = now;
+#    (^10).Supply.throttle( $n, { sleep rand; @a[$_] = 1 } ).wait;
+#    ok now < $before + ((12 - $n) * .6), "parallelism as expected with $n";
+#    is @a.sum, 10, "ok with $n at a time with random delay";
+#}
 
 {
     my $status = Supplier.new;