Integration tests - Add retry to did registration

Signed-off-by: jamshale <[email protected]>

demo/features/steps/0586-sign-transaction.py

@@ -32,19 +32,27 @@ def step_impl(context, agent_name, did_role):
     created_did = agent_container_POST(agent["agent"], "/wallet/did/create")
 
     # publish to the ledger with did_role
-    registered_did = agent_container_register_did(
+    agent_container_register_did(
         agent["agent"],
         created_did["result"]["did"],
         created_did["result"]["verkey"],
         "ENDORSER" if did_role == "ENDORSER" else "",
     )
 
     # make the new did the wallet's public did
-    published_did = agent_container_POST(
-        agent["agent"],
-        "/wallet/did/public",
-        params={"did": created_did["result"]["did"]},
-    )
+    retries = 3
+    for retry in range(retries):
+        try:
+            published_did = agent_container_POST(
+                agent["agent"],
+                "/wallet/did/public",
+                params={"did": created_did["result"]["did"]},
+            )
+        except Exception as e:
+            async_sleep(1.0)
+            if retry == retries - 1:
+                raise e
+
     if "result" in published_did:
         # published right away!
         pass