Philly.com – New Jersey approved two additional casinos Wednesday to conduct Internet gambling, bringing the total to seven so far. But last-minute testing that was to continue late into the night might knock some out of the running for Thursday night’s launch of a five-day test period, also called soft play. David Rebuck, director of the state Division of Gaming Enforcement, said his office was testing the systems of the seven casinos. Each Internet permit authorizes a holder to run up to five gambling websites; the division will issue a list of those that made the final cut Thursday. “All…