In the Official Google Webmaster Central blog, Google announced that the Rich Results Test tool is now officially out of beta and is now supporting all of Google’s rich results feature.
Google also announced that the Structured Data Testing tool is going to be deprecated. It is still available for a short time but there is no specific date yet on when Google will officially remove it.
Moving forward, Google urges webmasters to use the Rich Results Test tool to validate all structured data markups. Here’s what you need to know about the Rich Results Test tool.