public void SubtractionOperatorShouldReturnTheDifferenceValue()
{
const double left = 42;
const double right = 27;
const double expectedResult = 15;
// ReSharper disable once HeapView.ObjectAllocation.Evident
var subtraction = new Subtraction();
var subtractionResult = subtraction.Apply(left, right);
Assert.AreEqual(expectedResult, subtractionResult, 0);
}