8032999: [TESTBUG] JT-Reg Runtime tests to be run as part of JPRT submit job

JPRT will now run most of the tests in /runtime

Reviewed-by: dcubed, mseledtsov, zgu, mikael
diff --git a/make/jprt.properties b/make/jprt.properties
index eed8b41..2938c9a 100644
--- a/make/jprt.properties
+++ b/make/jprt.properties
@@ -483,5 +483,6 @@
   ${my.make.rule.test.targets.hotspot.reg.group:GROUP=hotspot_compiler},	\
   ${my.make.rule.test.targets.hotspot.reg.group:GROUP=hotspot_gc},		\
   ${my.make.rule.test.targets.hotspot.reg.group:GROUP=hotspot_runtime},	\
+  ${my.make.rule.test.targets.hotspot.reg.group:GROUP=hotspot_runtime_closed},	\
   ${my.make.rule.test.targets.hotspot.reg.group:GROUP=hotspot_serviceability},	\
   ${my.additional.make.rule.test.targets.hotspot}