Enable the "make test" rule in the root Makefile

git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@133462 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index bd22515..07e97e6 100644
--- a/Makefile
+++ b/Makefile
@@ -74,8 +74,8 @@
 	fi
 endif
 
-#test::
-#	@ $(MAKE) -C test
+test::
+	@ $(MAKE) -C test
 
 #report::
 #	@ $(MAKE) -C test report