The following failure was noticed for java/util/zip/ZipFile/ZipFileInputStreamSkipTest.java after the recent upgrade of jtreg in the JDK repo. The newer jtreg version enforces test failures for such warnings in JUnit tests.

org.junit.platform.launcher.core.DiscoveryIssueException: TestEngine with ID 'junit-jupiter' encountered 2 critical issues during test discovery:

(1) [WARNING] @BeforeAll method 'private static void ZipFileInputStreamSkipTest.createZip() throws java.io.IOException' should not be private. This will be disallowed in a future release.
    Source: MethodSource [className = 'ZipFileInputStreamSkipTest', methodName = 'createZip', methodParameterTypes = '']
            at ZipFileInputStreamSkipTest.createZip(SourceFile:0)

(2) [WARNING] @AfterAll method 'private static void ZipFileInputStreamSkipTest.cleanUp() throws java.io.IOException' should not be private. This will be disallowed in a future release.
    Source: MethodSource [className = 'ZipFileInputStreamSkipTest', methodName = 'cleanUp', methodParameterTypes = '']
            at ZipFileInputStreamSkipTest.cleanUp(SourceFile:0)
JavaTest Message: JUnit Platform Failure(s): 1