public void AdditionOperatorShouldReturnTheSumValue()
{
const double left = 42;
const double right = 27;
const double expectedResult = 69;
// ReSharper disable once HeapView.ObjectAllocation.Evident
var addition = new Addition();
var additionResult = addition.Apply(left, right);
Assert.AreEqual(expectedResult, additionResult, 0);
}