@DDT
    fun `Only owners can see their lists`() = ddtScenario {
        setUp {
            tom.`starts with a list`(shoppingListName, shoppingItems)
            adam.`starts with a list`(gardenListName, gardenItems)
        }.thenPlay(
            tom.`cannot see #listname`(gardenListName),
            adam.`cannot see #listname`(shoppingListName)
        )
    }
}