Fix spec.

Author: Jeff Dutil

spec/aws/session_store/dynamo_db/error/default_error_handler_spec.rb

@@ -41,8 +41,10 @@
     it "catches exception for inaccurate table key" do
       client.stub(:update_item).and_raise(key_error)
       client.stub(:get_item).and_raise(key_error)
-      get "/"
-      last_request.env["rack.errors"].string.should include(key_error_msg)
+      lambda do
+        get '/'
+        last_request.env['rack.errors'].string.should include(key_error_msg)
+      end.should raise_error(key_error)
     end
   end