public void ShouldSqOneNumber()
        {
            ICalculator sut            = new Calculator();
            int         expectedResult = sut.Sq(7);

            Assert.That(expectedResult, Is.EqualTo(49));
        }
 public void ShouldSqOneNumber()
 {
     ICalculator sut = new Calculator();
     int expectedResult = sut.Sq(7);
     Assert.That(expectedResult, Is.EqualTo(49));
 }