given:
        def configCache = newConfigurationCacheFixture()
        def fixture = missingScriptsSpec.setUpFixtureFor(this)

        and:
        fixture.createInitialBuildLayout()

        when:
        configurationCacheRun 'ok'

        then:
        configCache.assertStateStored()

        when:
        fixture.addMissingScript()

        and:

    MissingScriptFixture(ScriptLanguage scriptLanguage, Scenario scenario, TestFile dir) {
        this.scriptLanguage = scriptLanguage
        this.scenario = scenario
        this.dir = dir
    }

    void createInitialBuildLayout() {
        scenario.createInitialBuildLayoutIn(dir, scriptLanguage)
    }

    void addMissingScript() {
        missingScript = scenario.addMissingScript(dir, scriptLanguage)
    }