At the bottom of your guest list, you have the option to send yourself a test invitation.
When using the RSVP feature, you can update the event details or the guest list by clicking between the two tabs at the top of the page, as shown below:
If you are updating the event details, remember to save any changes first before going to the guest list. Scroll to the bottom of the page, and click Save & Continue to Guests.
Scroll to the bottom of the page, and click Send me a test email.
An example of your invitation will be sent to the email address your account is set up with.