Make test compile with 17

Author: GoeLin

test/jdk/tools/jpackage/helpers/jdk/jpackage/test/TKit.java

@@ -243,6 +243,13 @@ public static void createPropertiesFile(Path propsFilename,
         trace("Done");
     }
 
+    public static void traceFileContents(Path path, String label) throws IOException {
+        assertFileExists(path);
+        trace(String.format("Dump [%s] %s...", path, label));
+        Files.readAllLines(path).forEach(TKit::trace);
+        trace("Done");
+    }
+
     public static void createPropertiesFile(Path propsFilename,
             Map.Entry<String, String>... props) {
         createPropertiesFile(propsFilename, List.of(props));

test/jdk/tools/jpackage/windows/Win8365790Test.java

@@ -102,13 +102,14 @@ protected void verify(JPackageCommand cmd) {
 
     private static String runLauncher(JPackageCommand cmd, String launcherName, Path traceFile, Path outputFile) throws IOException {
         // Launch the specified launcher and send Ctrl+C signal to it.
-        Thread.ofVirtual().start(() -> {
+        Thread t = new Thread (() -> {
             configureAndExecute(0, Executor.of("powershell", "-NonInteractive", "-NoLogo", "-NoProfile", "-ExecutionPolicy", "Unrestricted")
                     .addArgument("-File").addArgument(TEST_PS1)
                     .addArguments("-TimeoutSeconds", Long.toString(Duration.ofSeconds(5).getSeconds()))
                     .addArgument("-Executable").addArgument(cmd.appLauncherPath(launcherName))
                     .dumpOutput());
         });
+        t.start();
 
         TKit.waitForFileCreated(traceFile, Duration.ofSeconds(20), Duration.ofSeconds(2));