visitedBaseDirs.add(baseDir)
        classFile = baseDir.file("classes/proj/_BuildScript_.class")
    }

    @Test
    void "caches compiled build script"() {
        createLargeBuildScript()
        testBuild("hello1", "Hello 1")
        TestFile.Snapshot classFileSnapshot = classFile.snapshot()

        testBuild("hello2", "Hello 2")
        classFile.assertHasNotChangedSince(classFileSnapshot)