diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/ExerciseGC.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/ExerciseGC.java
index 4157894a24090..3e3a622c91ebf 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/ExerciseGC.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/ExerciseGC.java
@@ -33,6 +33,8 @@
  * @build HelloStringGC sun.hotspot.WhiteBox
  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  * @run main ExerciseGC
+ * @run main/othervm -XX:+UseStringDeduplication ExerciseGC
+ * @run main/othervm -XX:-CompactStrings ExerciseGC
  */
 public class ExerciseGC {
     public static void main(String[] args) throws Exception {
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/IncompatibleOptions.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/IncompatibleOptions.java
index 3b6dd0f1340a0..6080e050f0a7e 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/IncompatibleOptions.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/IncompatibleOptions.java
@@ -36,6 +36,8 @@
  * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
  * @build HelloString
  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions
+ * @run main/othervm -XX:+UseStringDeduplication -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions
+ * @run main/othervm -XX:-CompactStrings -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions
  */
 
 import jdk.test.lib.Asserts;
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/InternSharedString.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/InternSharedString.java
index f73b6e1e44bb9..c945fcbebb92b 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/InternSharedString.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/InternSharedString.java
@@ -34,6 +34,8 @@
  * @build sun.hotspot.WhiteBox
  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  * @run main InternSharedString
+ * @run main/othervm -XX:+UseStringDeduplication InternSharedString
+ * @run main/othervm -XX:-CompactStrings InternSharedString
  */
 
 public class InternSharedString {
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/InvalidFileFormat.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/InvalidFileFormat.java
index 6274ee48e86d6..405c0a1354b70 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/InvalidFileFormat.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/InvalidFileFormat.java
@@ -32,6 +32,8 @@
  *          jdk.jartool/sun.tools.jar
  * @build HelloString
  * @run main InvalidFileFormat
+ * @run main/othervm -XX:+UseStringDeduplication InvalidFileFormat
+ * @run main/othervm -XX:-CompactStrings InvalidFileFormat
  */
 
 import jdk.test.lib.process.OutputAnalyzer;
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/LargePages.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/LargePages.java
index 7de39000f48c5..e7b9020d9a07c 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/LargePages.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/LargePages.java
@@ -32,6 +32,8 @@
  *          jdk.jartool/sun.tools.jar
  * @build HelloString
  * @run main LargePages
+ * @run main/othervm -XX:+UseStringDeduplication LargePages
+ * @run main/othervm -XX:-CompactStrings LargePages
  */
 public class LargePages {
     public static void main(String[] args) throws Exception {
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/LockSharedStrings.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/LockSharedStrings.java
index 8f7a4d99e5015..1ff7ff3eee1cc 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/LockSharedStrings.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/LockSharedStrings.java
@@ -34,6 +34,8 @@
  * @build sun.hotspot.WhiteBox
  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  * @run main LockSharedStrings
+ * @run main/othervm -XX:+UseStringDeduplication LockSharedStrings
+ * @run main/othervm -XX:-CompactStrings LockSharedStrings
  */
 
 public class LockSharedStrings {
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasic.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasic.java
index d6049014dbd2b..c790229362568 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasic.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasic.java
@@ -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;
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasicPlus.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasicPlus.java
index fd53b804a895c..1264955b99658 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasicPlus.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsBasicPlus.java
@@ -33,6 +33,8 @@
  * @build HelloStringPlus sun.hotspot.WhiteBox
  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  * @run main SharedStringsBasicPlus
+ * @run main/othervm -XX:+UseStringDeduplication SharedStringsBasicPlus
+ * @run main/othervm -XX:-CompactStrings SharedStringsBasicPlus
  */
 
 public class SharedStringsBasicPlus {
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsStress.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsStress.java
index 0b476b1d2475c..1a0c25fc0b55f 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsStress.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsStress.java
@@ -30,6 +30,8 @@
  * @modules jdk.jartool/sun.tools.jar
  * @build HelloString
  * @run main SharedStringsStress
+ * @run main/othervm -XX:+UseStringDeduplication SharedStringsStress
+ * @run main/othervm -XX:-CompactStrings SharedStringsStress
  */
 import java.io.File;
 import java.io.FileOutputStream;
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsWbTest.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsWbTest.java
index 5438b30bfb7cd..1b6dd55eee37e 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsWbTest.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SharedStringsWbTest.java
@@ -33,6 +33,8 @@
  * @build sun.hotspot.WhiteBox SharedStringsWb
  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  * @run main SharedStringsWbTest
+ * @run main/othervm -XX:+UseStringDeduplication SharedStringsWbTest
+ * @run main/othervm -XX:-CompactStrings SharedStringsWbTest
  */
 
 import java.io.*;
diff --git a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SysDictCrash.java b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SysDictCrash.java
index 3aa9d5467ca33..90631ea4bbb37 100644
--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/SysDictCrash.java
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/SysDictCrash.java
@@ -32,6 +32,8 @@
  * @modules java.base/jdk.internal.misc
  * @modules java.management
  * @run main SysDictCrash
+ * @run main/othervm -XX:+UseStringDeduplication SysDictCrash
+ * @run main/othervm -XX:-CompactStrings SysDictCrash
  */
 
 import jdk.test.lib.process.OutputAnalyzer;