val calculatorSpecData =
first: Int | second: Int || expectedCalculationResult: Int
3          | 5           || 8
13         | 5           || 18

// should be equivalent to

data class Foo(val first: Int, val second: Int, val expectedCalculationResult: Int)
val calculatorSpecData = listOf(
        Foo(3, 5, 8),
        Foo(13, 5, 18))