stars not showing in Gogole search but showing in snppet tool.

I’ve had this problem for 2 weeks. Google is not showing the star rating of my post in searches, although in the test snippets tool it’s showing correctly. Google is also crawling the richsnippets? values since I specifically fetch a post with the Google Web Master Tool and check the values.

Here is what it looks like in Google snippet tool result:
https://i.stack.imgur.com/n4Gek.png
In Google snippet tool result

and what it currently looks like on Google: on Google
https://i.stack.imgur.com/pNk3z.png
I’m using the GD star rating plugin (1.9.22) and WordPress (3.5.1).

https://www.ads-software.com/plugins/gd-star-rating/