From philly.com:
Tuesday, July 6
Presque Isle Downs Casino (Erie)
Rivers Casino (Pittsburgh)
Meadows Racetrack and Casino (Washington)
Sunday, July 11
Mohegan Sun at Pocono Downs (Wilkes-Barre)
Mount Airy Resort Casino (Poconos)
Hollywood Casino at Penn National Racecourse (Grantville)
Friday, July 16
Harrah's Chester Casino and Racetrack (Chester)
Parx Casino (Bensalem)
Sands Casino Resort (Bethlehem)
These are the test dates for the 9 casinos, and they could be licensed within a couple days after those days. I think the casinos are expecting to go truly live two days after the trial date.
$5 max bets for the trials, and money to be donated to charity.