testCases := []struct {
		date           time.Time
		expectedOutput string
	}{
		{
			date:           time.Date(2009, time.November, 13, 4, 51, 1, 940303531, time.UTC),
			expectedOutput: "2009-11-13T04:51:01.940Z",
		},
		{
			date:           time.Date(2009, time.November, 13, 4, 51, 1, 901303531, time.UTC),
			expectedOutput: "2009-11-13T04:51:01.901Z",
		},
		{

        def versionFile = new File(tmpDir, "version.txt")
        versionFile.text = "9.4.0"

        def releasedVersionsFile = new File(tmpDir, "released-versions.json")
        releasedVersionsFile << '''{
  "latestReleaseSnapshot": {
    "version": "9.4.1-20260317014409+0000",
    "buildTime": "20260317014409+0000"
  },
  "latestRc": {
    "version": "9.4.0-rc-2",
    "buildTime": "20260227092055+0000"
  },
  "finalReleases": []

        when:
        ReleasedVersionsHelperKt.bumpPatchVersion(version)

        then:
        thrown(IllegalArgumentException)

        where:
        version << ["9.4", "9", "9.4.0.1", "not.a.version", "9.4.0-SNAPSHOT"]
    }

                } else if (Files.exists(gitDir.resolve("packed-refs"))) {
                    // Check packed references for commit ID
                    Pattern p = Pattern.compile("^([a-f0-9]{40}) " + refName + "$");
                    try (Stream<String> lines = Files.lines(gitDir.resolve("packed-refs"))) {
                        revision = lines.map(p::matcher)
                                .filter(Matcher::matches)