diff -r f38329fe8055 -r 3aaaa5370999 test/jdk/java/io/FileOutputStream/AtomicAppend.java
--- a/test/jdk/java/io/FileOutputStream/AtomicAppend.java	Mon Apr 30 21:17:37 2018 +0200
+++ b/test/jdk/java/io/FileOutputStream/AtomicAppend.java	Mon Apr 30 13:40:39 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,9 @@
  * @test
  * @bug 6631352
  * @summary Check that appends are atomic
+ * @library /test/lib
+ * @build jdk.test.lib.Platform
+ * @run main AtomicAppend
  */
 
 import java.io.File;
@@ -33,6 +36,8 @@
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.TimeUnit;
 
+import jdk.test.lib.Platform;
+
 public class AtomicAppend {
     // Before the fix for
     // 6631352: Implement atomic append mode using FILE_APPEND_DATA (win)
@@ -73,7 +78,17 @@
         if (x == null ? y == null : x.equals(y)) pass();
         else fail(x + " not equal to " + y);}
     public static void main(String[] args) throws Throwable {
-        new AtomicAppend().instanceMain(args);}
+        if (Platform.isOSX()) {
+            final String version = "10.13";
+            int ineq = Platform.compareOsVersion(version);
+            if (ineq >= 0) {
+                System.out.format("Skipping test for macOS version %s >= %s%n",
+                    Platform.getOsVersion(), version);
+                return;
+            }
+        }
+        new AtomicAppend().instanceMain(args);
+    }
     void instanceMain(String[] args) throws Throwable {
         try {test(args);} catch (Throwable t) {unexpected(t);}
         System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);