--- old/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasic.java	2018-07-25 19:02:06.925765388 -0700
+++ new/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasic.java	2018-07-25 19:02:06.813765385 -0700
@@ -32,6 +32,8 @@
  *          jdk.jartool/sun.tools.jar
  * @build HelloString
  * @run main SharedStringsBasic
+ * @run main/othervm -XX:+UseStringDeduplication SharedStringsBasic
+ * @run main/othervm -XX:-CompactStrings SharedStringsBasic
  */
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;