It is important to remember that the swap fee for every pair is different.
To view this, right-click on the pair and go to "Specifications".
Swap values themselves and when the 3-day swap fee is charged may vary depending on the symbol.
You can open a Demo Account if you do not have a Live MetaTrader Account and have a look as they will be identical to the Live MetaTrader Account server.
Click here to open a Demo Account: