--- old/make/MakeHelpers.gmk	2015-02-11 09:14:30.498839051 +0100
+++ new/make/MakeHelpers.gmk	2015-02-11 09:14:30.386839049 +0100
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -297,6 +297,14 @@
 
 ### Convenience functions from Main.gmk
 
+# Run the tests specified by $1.
+define RunTests
+	($(CD) $(SRC_ROOT)/test && $(MAKE) $(MAKE_ARGS) -j1 -k MAKEFLAGS= \
+	    JT_HOME=$(JT_HOME) PRODUCT_HOME=$(JDK_IMAGE_DIR) \
+	    TEST_IMAGE_DIR=$(TEST_IMAGE_DIR) \
+	    ALT_OUTPUTDIR=$(OUTPUT_ROOT) CONCURRENCY=$(JOBS) $1) || true
+endef
+
 # Cleans the dir given as $1
 define CleanDir
 	@$(PRINTF) "Cleaning $(strip $1) build artifacts ..."
@@ -304,6 +312,12 @@
 	@$(PRINTF) " done\n"
 endef
 
+define CleanTest
+	@$(PRINTF) "Cleaning test $(strip $1) ..."
+	@$(RM) -r $(SUPPORT_OUTPUTDIR)/test/$(strip $(subst -,/,$1))
+	@$(PRINTF) " done\n"
+endef
+
 define Clean-gensrc
 	@$(PRINTF) "Cleaning gensrc $(if $1,for $(strip $1) )..."
 	@$(RM) -r $(SUPPORT_OUTPUTDIR)/gensrc/$(strip $1)