public void SqrtAndMultiplyTest()
{
const int maxRandomValue = 100;
int initialNumber = NumberService.GetRandomInt(maxRandomValue);
var numberDigits = NumberService.GetDigits(initialNumber);
window.ClickClearButton();
window.EnterNumber(numberDigits);
window.ClickSqrtRootButton();
double actualSqrt = window.GetResult();
double expectedSqrt = Math.Sqrt(initialNumber);
var delta = 0.000001;
Assert.AreEqual(expectedSqrt, actualSqrt, delta, "Incorrect sqrt root");
string expectedExpression = window.GetCalculatorExpression();
string actualExpression = $"√({initialNumber})";
Assert.AreEqual(expectedExpression, actualExpression, "Incorrect calculator expression");
window.ClickMultiplyByButton();
window.ClickEqualsButton();
double actualResult = window.GetResult();
double expectedResult = initialNumber;
Assert.AreEqual(expectedResult, actualResult, "Result should be equal initial number, but it wasn't");
}