FIX: TopicEmbed.import should update title and author

spec/models/topic_embed_spec.rb

@@ -41,8 +41,12 @@ describe TopicEmbed do
       end
 
       it "Supports updating the post" do
-        post = TopicEmbed.import(user, url, title, "muhahaha new contents!")
+        new_user = Fabricate(:user)
+
+        post = TopicEmbed.import(new_user, url, title, "muhahaha new contents!")
+
         expect(post.cooked).to match(/new contents/)
+        expect(post.user).to eq(new_user)
       end
 
       it "Should leave uppercase Feed Entry URL untouched in content" do