def outputFileSnapshot = snapshot(previousOutputFile)

        when:
        def result = step.execute(work, context)

        then:
        interaction {
            emptySourcesWithPreviousOutputs(outputFileSnapshot)
        }

        and:
        1 * outputChangeListener.invalidateCachesFor(rootPaths(previousOutputFile))

        and:
        1 * outputsCleaner.cleanupOutputs(outputFileSnapshot)