THRIFT-4358: add unix domain socket option to ruby cross tests
Client: rb

This closes #1513
diff --git a/lib/rb/spec/http_client_spec.rb b/lib/rb/spec/http_client_spec.rb
index 5e8da24..70747ed 100644
--- a/lib/rb/spec/http_client_spec.rb
+++ b/lib/rb/spec/http_client_spec.rb
@@ -25,6 +25,10 @@
     before(:each) do
       @client = Thrift::HTTPClientTransport.new("http://my.domain.com/path/to/service?param=value")
     end
+    
+    it "should provide a reasonable to_s" do
+      @client.to_s == "http://my.domain.com/path/to/service?param=value"
+    end
 
     it "should always be open" do
       @client.should be_open