Mac OS raises EADDRNOTAVAIL but not ECONNREFUSED

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58753 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/rubyspec/library/socket/tcpsocket/shared/new.rb

@@ -9,7 +9,7 @@ describe :tcpsocket_new, shared: true do
   it "refuses the connection when there is no server to connect to" do
     lambda do
       TCPSocket.send(@method, SocketSpecs.hostname, SocketSpecs.reserved_unused_port)
-    end.should raise_error(Errno::ECONNREFUSED)
+    end.should raise_error([Errno::ECONNREFUSED, Errno::EADDRNOTAVAIL])
   end
 
   describe "with a running server" do