PersonSpec.kt#isPersonRetiredTest

describe("when isActive is false") {
    beforeEachGroup {
        person = person.copy(isActive = false)
    }
    ...
    describe("when getAge is less than RETIREMENT_AGE") {
        beforeEachGroup {
            person = person.copy(age = 55)
        }
        it("should return false") {
            assertFalse(person.isPersonRetired())
        }
    }
}