singleProjectBuild("root") {
            fixture.withAlternateWorkActionClassInBuildSrc()
            buildFile << """
            def buildCounter = project.property('counter')
            def runAllInWorkers = tasks.register("runAllInWorkers")
            for (int i = 0; i < $workerCount; i++) {
                def projectCounter = i
                def runInWorker = tasks.register("runInWorker" + i, WorkerTask) {