8373105: Test tools/jpackage/share/AsyncTest.java failed: problem running hdiutil

Reviewed-by: asemenyuk

Author: Alexander Matveev

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

@@ -81,12 +81,18 @@ public static void withExplodedDmg(JPackageCommand cmd,
             ThrowingConsumer<Path, ? extends Exception> consumer) {
         cmd.verifyIsOfType(PackageType.MAC_DMG);
 
+        // Mount DMG under random temporary folder to avoid collisions when
+        // mounting DMG with same name asynchroniusly multiple times.
+        // See JDK-8373105. "hdiutil" does not handle such cases very good.
+        final var mountRoot = TKit.createTempDirectory("mountRoot");
+
         // Explode DMG assuming this can require interaction, thus use `yes`.
         String attachCMD[] = {
             "sh", "-c",
             String.join(" ", "yes", "|", "/usr/bin/hdiutil", "attach",
-                        JPackageCommand.escapeAndJoin(
-                                cmd.outputBundle().toString()), "-plist")};
+                    JPackageCommand.escapeAndJoin(cmd.outputBundle().toString()),
+                    "-mountroot", PathUtils.normalizedAbsolutePathString(mountRoot),
+                    "-nobrowse", "-plist")};
         RetryExecutor attachExecutor = new RetryExecutor();
         try {
             // 10 times with 6 second delays.