diff --git a/test/java/util/prefs/AddNodeChangeListener.java b/test/java/util/prefs/AddNodeChangeListener.java
index 8b506dc7e1803fb6c4226386e7226d0c9eaa0eea..761ed2b48cf5967ff65400fd30a8eccbeafc872f 100644
--- a/test/java/util/prefs/AddNodeChangeListener.java
+++ b/test/java/util/prefs/AddNodeChangeListener.java
@@ -24,9 +24,10 @@
  */
 
  /* @test
-  * @bug  7160252
+  * @bug  7160252 7197662
   * @summary Checks if events are delivered to a listener
   *          when a child node is added or removed
+  * @run main/othervm -Djava.util.prefs.userRoot=. AddNodeChangeListener
   */
 
 import java.util.prefs.*;
diff --git a/test/java/util/prefs/CheckUserPrefsStorage.sh b/test/java/util/prefs/CheckUserPrefsStorage.sh
index 71ded594cb20974887a262fb61bd2907f8179323..5314b120c0cbf7104a33fde5e7c8a97de48cc376 100644
--- a/test/java/util/prefs/CheckUserPrefsStorage.sh
+++ b/test/java/util/prefs/CheckUserPrefsStorage.sh
@@ -22,10 +22,10 @@
 #
 
 # @test
-# @bug 7198073
+# @bug 7198073 7197662
 # @build CheckUserPrefFirst CheckUserPrefLater
 # @run shell CheckUserPrefsStorage.sh
-# @summary Tests that user preferences are stored in the 
+# @summary Tests that user preferences are stored in the
 #          permanent storage
 #
 
@@ -50,14 +50,14 @@ case "$OS" in
 esac
 
 # run CheckUserPrefFirst - creates and stores a user pref
-${TESTJAVA}${FS}bin${FS}java -cp ${TESTCLASSES} CheckUserPrefFirst
+${TESTJAVA}${FS}bin${FS}java -cp ${TESTCLASSES} -Djava.util.prefs.userRoot=. CheckUserPrefFirst
 result=$?
 if [ "$result" -ne "0" ]; then
     exit 1
 fi
 
 # run CheckUserPrefLater - Looks for the stored pref
-${TESTJAVA}${FS}bin${FS}java -cp ${TESTCLASSES} CheckUserPrefLater
+${TESTJAVA}${FS}bin${FS}java -cp ${TESTCLASSES} -Djava.util.prefs.userRoot=. CheckUserPrefLater
 result=$?
 if [ "$result" -ne "0" ]; then
     exit 1
diff --git a/test/java/util/prefs/CommentsInXml.java b/test/java/util/prefs/CommentsInXml.java
index bf8cdb9f7de14892c28bc09d9cf285fc2b408330..47011af880b93b7fa16cc8a448496746ff969f7e 100644
--- a/test/java/util/prefs/CommentsInXml.java
+++ b/test/java/util/prefs/CommentsInXml.java
@@ -23,8 +23,9 @@
 
 /*
  * @test
- * @bug 4619564
+ * @bug 4619564 7197662
  * @summary XMl Comments in Preferences File lead to ClassCastException
+ * @run main/othervm -Djava.util.prefs.userRoot=. CommentsInXml
  * @author kladko
  */
 
diff --git a/test/java/util/prefs/ConflictInFlush.java b/test/java/util/prefs/ConflictInFlush.java
index 290bab7d5e853b8ea8bdc465b920d412bfe90251..1f13ca736efca16156cdc54087a126d69be985a1 100644
--- a/test/java/util/prefs/ConflictInFlush.java
+++ b/test/java/util/prefs/ConflictInFlush.java
@@ -23,8 +23,9 @@
 
 /*
  * @test
- * @bug 4703132
+ * @bug 4703132 7197662
  * @summary flush() throws an IllegalStateException on a removed node
+ * @run main/othervm -Djava.util.prefs.userRoot=. ConflictInFlush
  * @author Sucheta Dambalkar
  */
 
diff --git a/test/java/util/prefs/ExportNode.java b/test/java/util/prefs/ExportNode.java
index 5ecab0ffd41dedc903bda3396f36fc38b7ab3108..601b18920b339b2f8cf2846d70234acc350867e1 100644
--- a/test/java/util/prefs/ExportNode.java
+++ b/test/java/util/prefs/ExportNode.java
@@ -24,9 +24,10 @@
 
 /*
  * @test
- * @bug 4387136 4947349
+ * @bug 4387136 4947349 7197662
  * @summary Due to a bug in XMLSupport.putPreferencesInXml(...),
  *          node's keys would not get exported.
+ * @run main/othervm -Djava.util.prefs.userRoot=. ExportNode
  * @author Konstantin Kladko
  */
 import java.util.prefs.*;
diff --git a/test/java/util/prefs/ExportSubtree.java b/test/java/util/prefs/ExportSubtree.java
index 36bfe79d53ff363f135a603b3213c3fc2c00fa6e..f1e632c6b4ed4e82b67375216ed2c8b2986da2c4 100644
--- a/test/java/util/prefs/ExportSubtree.java
+++ b/test/java/util/prefs/ExportSubtree.java
@@ -23,9 +23,10 @@
 
 
 /* @test
-   @bug 6203576 4700020
-   @summary checks if the output of exportSubtree() is identical to
-            the output from previous release.
+ * @bug 6203576 4700020 7197662
+ * @summary checks if the output of exportSubtree() is identical to
+ *          the output from previous release.
+ * @run main/othervm -Djava.util.prefs.userRoot=. ExportSubtree
  */
 
 import java.io.*;
diff --git a/test/java/util/prefs/PrefsSpi.sh b/test/java/util/prefs/PrefsSpi.sh
index 10a0ded018f02d6d1232a61454c5d3e194b19fa1..b140b3062603906a94acf661b0e08c54688e907b 100644
--- a/test/java/util/prefs/PrefsSpi.sh
+++ b/test/java/util/prefs/PrefsSpi.sh
@@ -24,7 +24,7 @@
 #
 
 # @test
-# @bug 4991526 6514993
+# @bug 4991526 6514993 7197662
 # @summary Unit test for Preferences jar providers
 #
 # @build PrefsSpi
@@ -89,12 +89,16 @@ case "`uname`" in Windows*|CYGWIN* ) CPS=';';; *) CPS=':';; esac
 
 Sys "$java" "-cp" "$TESTCLASSES${CPS}extDir/PrefsSpi.jar" \
     -Djava.util.prefs.PreferencesFactory=StubPreferencesFactory \
+    -Djava.util.prefs.userRoot=. \
     PrefsSpi "StubPreferences"
 Sys "$java" "-cp" "$TESTCLASSES" \
+    -Djava.util.prefs.userRoot=. \
     PrefsSpi "java.util.prefs.*"
 Sys "$java" "-cp" "$TESTCLASSES${CPS}extDir/PrefsSpi.jar" \
+    -Djava.util.prefs.userRoot=. \
     PrefsSpi "StubPreferences"
 Sys "$java" "-cp" "$TESTCLASSES" "-Djava.ext.dirs=extDir" \
+    -Djava.util.prefs.userRoot=. \
     PrefsSpi "StubPreferences"
 
 rm -rf jarDir extDir
diff --git a/test/java/util/prefs/RemoveNullKeyCheck.java b/test/java/util/prefs/RemoveNullKeyCheck.java
index c74f0d82d37ea129a40f474be5609e444d1978b1..eac63d5ead8bc6e9731df63decb12c3c66356e85 100644
--- a/test/java/util/prefs/RemoveNullKeyCheck.java
+++ b/test/java/util/prefs/RemoveNullKeyCheck.java
@@ -22,9 +22,10 @@
  */
 
 /* @test
- * @bug 7160242 7165118
+ * @bug 7160242 7165118 7197662
  * @summary Check if NullPointerException is thrown if the key passed
  *          to remove() is null.
+ * @run main/othervm -Djava.util.prefs.userRoot=. RemoveNullKeyCheck
  */
 
 import java.util.prefs.Preferences;
diff --git a/test/java/util/prefs/RemoveReadOnlyNode.java b/test/java/util/prefs/RemoveReadOnlyNode.java
index 501a337b7579f1bf235da2c2721d00598c2471b5..ca7684fc0f93e0f6510aa55253e91eb2fc2f987e 100644
--- a/test/java/util/prefs/RemoveReadOnlyNode.java
+++ b/test/java/util/prefs/RemoveReadOnlyNode.java
@@ -23,10 +23,11 @@
 
 
 /* @test
-   @bug 6178148
-   @summary check if wrong exception gets thrown if one of the child
-            nodes is readonly on underlying filesystem when node is
-            being removed.
+ * @bug 6178148 7197662
+ * @summary check if wrong exception gets thrown if one of the child
+ *          nodes is readonly on underlying filesystem when node is
+ *          being removed.
+ * @run main/othervm -Djava.util.prefs.userRoot=. RemoveReadOnlyNode
  */
 
 import java.io.*;
diff --git a/test/java/util/prefs/RemoveUnregedListener.java b/test/java/util/prefs/RemoveUnregedListener.java
index 901dde3e0a0c63c2c9093504af229907290e0191..126a7d79f1e35ab8790c8789d7e338cb4828dd71 100644
--- a/test/java/util/prefs/RemoveUnregedListener.java
+++ b/test/java/util/prefs/RemoveUnregedListener.java
@@ -23,9 +23,10 @@
 
 
 /* @test
- * @bug 4705094
+ * @bug 4705094 7197662
  * @summary Checks if correct exception gets thrown when removing an
  *          unregistered NodeChangeListener .
+ * @run main/othervm -Djava.util.prefs.userRoot=. RemoveUnregedListener
  */
 
 import java.util.prefs.*;