try with lambda

templates/add_all_member_roles.json.j2

@@ -62,7 +62,7 @@
 			"type": "LAMBDA",
 			"inputParameters": {
 				"role": "${retrieve_member_role.output.body}",
-				"scriptExpression": "return Java.to([$.role], 'java.lang.Object[]')}"
+				"scriptExpression": "return Java.to([$.role], 'java.lang.Object[]')"
 			}
 		},
 		{
@@ -77,7 +77,7 @@
 				"Content-type" : "application/json",
 				"Accept":"application/json"
 			  },
-			  "body" : "${to_array.output.result}"
+			  "body" : "${to_role_array.output.result}"
 			}
 		}
 	]

templates/create_system_service.json.j2

@@ -57,7 +57,8 @@
 			    "headers" : {
 				    "Authorization" : "Bearer ${authorize.output.body.access_token}",
 				    "Content-Type" : "application/json"
-			    }
+			    },
+			    "expect" : [200,204,201,409]
 		    }
 		},
 		{