Update HA test READMEs

Change-Id: I092e5b867b77a392d6a34a4ac464826e1e75faaa
diff --git a/TestON/tests/HAsingleInstanceRestart/README b/TestON/tests/HAsingleInstanceRestart/README
index 033598c..47d3ab2 100644
--- a/TestON/tests/HAsingleInstanceRestart/README
+++ b/TestON/tests/HAsingleInstanceRestart/README
@@ -1 +1,18 @@
-Summary: Fill me in please!
+This test is designed to verify that a single node ONOS cluster behaves
+correctly when all ONOS nodes die. We will kill the ONOS node and verify
+correct behavior as the node restarts.
+
+The gerneral structure for the test:
+- Startup
+- Assign switches
+- Verify ONOS state and functionality
+    - Device mastership
+    - Intents
+    - Leadership election
+    - Distributed Primitives
+- Kill ONOS node
+- Restart ONOS node
+- Verify ONOS state and functionality
+- Dataplane failures
+    - link down and up
+    - switch down and up