No experience but I was curious so I looked on Hoagies site:

http://www.prufrock.com/productdetails.cfm?PC=128

It is three subtests, math, language and reasoning....

Sounds like you should retest DD1 since she was sick. Have they changed the program requirements after the first two DDs or is this just the first time you've gotten this far due to the above circumstances? Again just curious.