The test email just show a representation of what the receipt and ticket will look like. The information on the actual receipt and ticket will comply with your set price and the guest's personal data.
If you want to see what a real ticket looks like we suggest making a free ticket batch with a promo code and buying one from it, read more here.
It is a test-email when the byers name is "Buyer Name" , or your own information entered under "Send test email to", and the reference code is "abc123".