Strategy Tester Question...

I recently had an EA programmed for me that follows rules of both the 15 min and 1 hour charts. When I backtest this using strategy tester, it doesn't seem to recognise the 1h rules, as all the trades are made on the 15m charts. Does Strategy Tester only follow guidelines of one timeframe when backtesting? If so, is there any way around it?

I'm more or less concerned about whether the EA is working correctly.

Thanks!