* test/ruby/test_signal.rb (test_trap): string commands are allowed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18093 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_signal.rb

@@ -146,8 +146,8 @@ class TestSignal < Test::Unit::TestCase
 
       Signal.trap(:INT, "EXIT")
 
-      assert_raise(ArgumentError) { Signal.trap(:INT, "xxxxxx") }
-      assert_raise(ArgumentError) { Signal.trap(:INT, "xxxx") }
+      Signal.trap(:INT, "xxxxxx")
+      Signal.trap(:INT, "xxxx")
 
       Signal.trap(SignalException.new(:INT).signo, "SIG_DFL")