marshaltestlib.rb: use clean object for exception

* test/ruby/marshaltestlib.rb (test_exception): use separate
  clean object to raise an exception.  TestCase instance often has
  modules included.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63134 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/test/ruby/marshaltestlib.rb b/test/ruby/marshaltestlib.rb
index 358d3c5133..5c48a8d853 100644
--- a/test/ruby/marshaltestlib.rb
+++ b/test/ruby/marshaltestlib.rb
@@ -110,7 +110,9 @@ module MarshalTestLib
   class MyException < Exception; def initialize(v, *args) super(*args); @v = v; end; attr_reader :v; end
   def test_exception
     marshal_equal(Exception.new('foo')) {|o| o.message}
-    marshal_equal(assert_raise(NoMethodError) {no_such_method()}) {|o| o.message}
+    obj = Object.new
+    e = assert_raise(NoMethodError) {obj.no_such_method()}
+    marshal_equal(e) {|o| o.message}
   end
 
   def test_exception_subclass