/**
     * @sample com.tylerthrailkill.axon_kotlin.samples.SamplesTest.showRetrievingTestExecutor
     */
    lateinit var testExecutor: TestExecutor
    /**
     * @sample com.tylerthrailkill.axon_kotlin.samples.SamplesTest.showRetrievingTestExecutor
     */
    private var _resultValidator: ResultValidator? = null