test/helper.rb in ds9-1.4.1 vs test/helper.rb in ds9-1.4.2

@@ -10,10 +10,10 @@
   Thread.list.each do |k|
     puts "#" * 90
     puts k.backtrace
     puts "#" * 90
   end
-}
+} if Signal.list.key?("INFO")
 
 module DS9
   class TestCase < Minitest::Test
     def pipe &block
       rd1, wr1 = IO.pipe