Before I put the tank in I let it sit with water and filter running for about a week and a half without any fish in it, and I plan on buying a master test kit to see for those those things
Unfortunately, this is one of those bad info things that continues to get passed around. This does nothing to cycle the tank unless you were adding a source of ammonia to the tank (rotting food, straight ammonia) there will be no more beneficial bacteria in the tank than there were the day you added the water.
I would strongly suggest getting a test kit as soon as possible. Additionally, the water change schedule you suggested in your other thread will likely not be adequate. With a tank that small stocked in that way, you'll more than likely need to do water changes weekly and they'll be more than 25%. Right now you have no beneficial bacteria and a lot of fish, you'll be needung to daily changes to keep them alive and healthy.