diff -r b8b0da4a5f49 -r 1e39953aaed8 test/jdk/sun/tools/jstack/BasicJStackTest.java
--- a/test/jdk/sun/tools/jstack/BasicJStackTest.java	Mon Sep 10 16:33:55 2018 -0400
+++ b/test/jdk/sun/tools/jstack/BasicJStackTest.java	Mon Sep 10 14:23:37 2018 -0700
@@ -25,14 +25,12 @@
 
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;
-import jdk.testlibrary.JDKToolLauncher;
+import jdk.test.lib.JDKToolLauncher;
 
 /*
  * @test
  * @summary Unit test for jstack utility
- * @library /lib/testlibrary
  * @library /test/lib
- * @build jdk.testlibrary.*
  * @run main BasicJStackTest
  */
 public class BasicJStackTest {