file("current/build.gradle").text = subprojectSource(currentTimestampJar)

        expect:
        succeeds("printMessage", "--info")

        getArtifactTransformJarsByName("original/testClasses.jar").size() == 1
        getArtifactTransformJarsByName("instrumented/testClasses.jar").size() == 1
    }

    void notInJarCache(String filename) {
        inJarCache(filename, false)
    }