_ * taskDescriptor.getParentId() >> buildDescriptor.getId()

        def buildStartEvent = Mock(InternalOperationStartedProgressEvent)
        _ * buildStartEvent.getEventTime() >> 999
        _ * buildStartEvent.getDisplayName() >> 'build started'
        _ * buildStartEvent.getDescriptor() >> buildDescriptor

        def taskStartEvent = Mock(InternalOperationStartedProgressEvent)

            assert event.descriptor.parent == null
        }
    }

    def "convert to BuildStartEvent"() {
        given:
        def listener = Mock(ProgressListener)
        def adapter = createAdapter(listener)

        when:
        def buildDesc = buildDescriptor(666, 'some build')
        def startEvent = buildStartEvent(999, 'build started', buildDesc)

        adapter.onEvent(startEvent)

        then: