8320858: Move jpackage tests to tier3

Reviewed-by: mchung, asemenyuk, almatvee

test/jdk/TEST.groups

@@ -75,11 +75,12 @@ tier2_part3 = \
 tier3 = \
     :build \
     :jdk_vector \
+    -:jdk_vector_sanity \
     :jdk_rmi \
     :jdk_svc \
-   -:jdk_svc_sanity \
-   -:jdk_vector_sanity \
-   -:svc_tools
+    -:jdk_svc_sanity \
+    -:svc_tools \
+    :jdk_jpackage
 
 # Everything not in other tiers
 tier4 = \
@@ -284,10 +285,11 @@ jdk_loom = \
     jdk/jfr/threading
 
 #
-# Tool (and tool API) tests are split into core and svc groups
+# Tool (and tool API) tests are mostly split into core and svc groups
 #
 core_tools = \
     tools \
+    -tools/jpackage \
     jdk/internal/jrtfs \
     sun/tools/jrunscript
 
@@ -299,11 +301,15 @@ svc_tools = \
 
 jdk_tools = \
     :core_tools \
-    :svc_tools
+    :svc_tools \
+    :jdk_jpackage
 
 jdk_jfr = \
     jdk/jfr
 
+jdk_jpackage = \
+    tools/jpackage
+
 #
 # Catch-all for other areas with a small number of tests
 #