/**
* Test for subtract method.
*
* @param firstNum - first number for calculation
* @param secondNum - second number for calculation
* @param valid - valid result after subtraction
*/
@Test(dataProvider = "validSubtractData")
public void subtractTest(int firstNumber, int secondNumber, int valid) {
int result = proxyObject.subtract(firstNumber, secondNumber);
Assert.assertEquals(result, valid);
}
