uhm, no,tests that determine IF the dam & sire are even good examples of the breed as well as tests that help discover problems that would be passed along to offspring. A DNA test is of course just one of these tests.
I know you've had your pups awhile but PLEASE, do yourself a favor & take a look at our YT Library. There you'll find a virtual book of information on how to tell if a breeder is ethical as well as many articles about true health tests needed prior to breeding. Here's the link to get you started:
http://www.yorkietalk.com/forums/bre...e-breeder.html
Glad to see you using Yorkietalk & hope you'll stay around this time to learn from us!