To test a review submission, can do so by browsing your store URL passing Fera parameters.
Browse Store URL
You just need to browse you store URL appended with 2 parameters,
For example, this is how it looks to submit a test store review for the below store:
Enter your store's url with the appended parameters
Fill out the review pop-up
Enter your name and email
Head back to your dashboard
Your test review will be under Store Reviews.