Finish tab allows you to send a text message by entering a phone number in To Number field.
Then enter the test message in the Message Body field & click Send Message button, a success message will be displayed.
Check that the message is received on the provided phone number.
You can click the 'Click Here To Re-test Send Messages' link to re-check sending test messages again.
Note that in this case the Country Code which we saved in the previous tab, Manage Twilio Numbers tab, will be used for sending a successful message.
A success message will be displayed once the test message is sent.
Note: If below alert is getting displayed then check that the Phone Number is added under Manage Twilio Numbers tab.