List<TestFile> librarySourceFiles = []

    boolean languageBuildsOnMultiplePlatforms() {
        return true
    }

    abstract IncrementalHelloWorldApp getHelloWorldApp()

    String getCompilerTool() {
        "${app.sourceType}Compiler"
    }

    String getSourceType() {
        GUtil.toCamelCase(app.sourceType)
    }

    def "setup"() {
        app = getHelloWorldApp()