givenWhenThen.js

const loadSpec = async () => ({
    given: () => "I have 100 shares of MSFT stock",
    when:  () => "When I ask to sell 20 shares of MSFT stock",
    then:  () => "Then I should have 80 shares of MSFT stock"
})

const printSpec = async () => {
    const { given, when, then } = await loadSpec()
    console.log(given())
    console.log(when())
    console.log(then())
}

await printSpec()