given:
        def dir = testDir.file("thing.dir")
        classesDir(dir)
        def file = testDir.file("thing.jar")
        jar(file)
        def dir2 = testDir.file("thing2.dir")
        classesDir(dir2)
        def file2 = testDir.file("thing2.jar")
        jar(file2)
        def dir3 = testDir.file("thing3.dir")
        classesDir(dir3)
        def file3 = testDir.file("thing3.jar")
        jar(file3)

    def "replaces original class with transformed in non-multi-release JAR"() {
        given:
        def original = jar(testDir.file("original.jar")) {
            manifest {}

            entry("Foo.class", ORIGINAL_CLASS)
        }

        def transformed = jar(testDir.file("transformed.jar")) {
            manifest {}

            entry("Foo.class", INSTRUMENTED_CLASS)
        }

            project(":child1") {
                configurations {
                    testArtifacts
                }
                task testJar(type: Jar) {
                    archiveClassifier = "tests"
                }
                artifacts {
                    testArtifacts testJar
                }
            }
            project(":child2") {
                dependencies {

      try {
        File testFile = new File(testFileUrl.toURI());
        testDir = testFile.getParentFile(); // the testdata directory
      } catch (Exception ignore) {
        // probably URISyntaxException or IllegalArgumentException
        // fall back to copying URLs to files in the testDir == null block below
      }
    }

    if (testDir == null) {

        missingFile = testDir.file("missing.txt")
        existingDir = testDir.file("dir").createDir()
        missingDir = testDir.file("missing-dir")
        missingDir2 = testDir.file("missing-dir2")
    }

    FileResolver getFileResolver() {
        return project.fileResolver
    }

    FileCollectionFactory getFileCollectionFactory() {

    TestFile testFile
    TestFile testFileLock
    TestFile testDir
    TestFile testDirLock

    List<Closeable> openedLocks = []

    def setup() {
        testFile = tmpDir.createFile("state.bin")
        testFileLock = tmpDir.file(testFile.name + ".lock")
        testDir = tmpDir.createDir("lockable-dir")
        testDirLock = tmpDir.file("${testDir.name}/${testDir.name}.lock")

        metaDataProvider.processIdentifier >> '123'

        // Don't store userHome in the default location (in the project dir), because this will cause the non-empty project dir detection to fail
        init = TestUtil.create(testDir.testDirectory.file("project"), testDir.testDirectory.file("userHome")).task(InitBuild)
        projectLayoutRegistry = Mock()
        defaultGenerator = Mock()
        buildConverter = Mock()
        init.projectLayoutRegistry = projectLayoutRegistry

ftp> ls runner/
229 Entering Extended Passive Mode (|||39155|)
150 Opening ASCII mode data connection for file list
drwxrwxrwx 1 nobody nobody            0 Jan  1 00:00 chunkdocs/
drwxrwxrwx 1 nobody nobody            0 Jan  1 00:00 testdir/
...
```

Following example shows how to list an object and download it locally via `ftp` client:

```
ftp> ls runner/chunkdocs/metadata
229 Entering Extended Passive Mode (|||44269|)

                new DefaultType(Type.JAVA_SOURCE, Language.JAVA_FAMILY, "jar", "sources", false),
                new DefaultType(
                        Type.TEST_JAR,
                        Language.JAVA_FAMILY,
                        "jar",
                        "tests",
                        false,
                        JavaPathType.CLASSES,

		path := filepath.Join(dir, fi.Name())

		// If fi is a directory, its files make up a single package.
		if fi.IsDir() {
			testDir(t, path, manual)
		} else {
			t.Run(filepath.Base(path), func(t *testing.T) {
				testPkg(t, []string{path}, manual)
			})
		}
	}
}

func testDir(t *testing.T, dir string, manual bool) {
	testenv.MustHaveGoBuild(t)

	fis, err := os.ReadDir(dir)
	if err != nil {