[VOL-1961] Implement the new test: failure-test

- Check the rw-core status after ETCD crash

Change-Id: I64ac14ffcf547f735b8dea3c4237bedcc5cf3699
diff --git a/Makefile b/Makefile
index 6aee2ea..0026def 100644
--- a/Makefile
+++ b/Makefile
@@ -82,6 +82,11 @@
 system-scale-test: ROBOT_CONFIG_FILE := $(ROBOT_SANITY_SINGLE_PON_FILE)
 system-scale-test: k8s-system-test
 
+failure-test: ROBOT_MISC_ARGS += -X -i FailureTest $(ROBOT_DEBUG_LOG_OPT)
+failure-test: ROBOT_FILE := $(ROBOT_SYSTEM_FILE)
+failure-test: ROBOT_CONFIG_FILE := $(ROBOT_FAIL_SINGLE_PON_FILE)
+failure-test: voltha-test
+
 voltha-test: ROBOT_MISC_ARGS += -e notready
 k8s-system-test: ROBOT_MISC_ARGS += -e notready