Silence OpenID warnings

test/spec_rack_auth_openid.rb

@@ -84,6 +84,7 @@
   end
 
   specify 'extensions should have Request and Response defined and inherit from OpenID::Extension' do
+$-w, w = nil, $-w               # yuck
     ext = Module.new
     ext::Request = nil
     ext::Response = nil
@@ -107,9 +108,11 @@
     lambda{OID.new(realm).add_extension(ext)}.
       should.raise(TypeError).
       message.should.match(/NS_URI/)
+$-w = w
   end
 
   specify 'extensions should have NS_URI defined and be a string of an absolute http uri' do
+$-w, w = nil, $-w               # yuck
     ext = Module.new
     ext::Request = Class.new(::OpenID::Extension)
     ext::Response = Class.new(::OpenID::Extension)
@@ -124,5 +127,6 @@
     ext::NS_URI = 'http://openid.net'
     lambda{OID.new(realm).add_extension(ext)}.
       should.not.raise
+$-w = w
   end
 end