when:
        addToGraphAndPopulate(broken, unrelated)

        then:
        executionPlan.tasks as List == [broken, finalizerDep1, finalizer1, unrelated, finalizerDep2, finalizer2]
        assertNextTaskReady(broken)
        assertTaskReady(finalizerDep1, true)
        assertTaskReadyAndNoMoreToStart(finalizer1)
        assertAllWorkComplete()
    }