[System Test] engageCluster2 POST returns status 500 - Avoid node rename

[2021-03-24T21:54:03-07:00, sequoiatools/couchbase-cli:7.0:1c3692] server-add -c 172.23.97.74:8091 --server-add https://172.23.106.136 -u Administrator -p password --server-add-username Administrator --server-add-password password --services index

→  

Error occurred on container - sequoiatools/couchbase-cli:7.0:[server-add -c 172.23.97.74:8091 --server-add https://172.23.106.136 -u Administrator -p password --server-add-username Administrator --server-add-password password --services index]

docker logs 1c3692

docker start 1c3692

�ERROR: Prepare join failed. Got HTTP status 500 from REST call post to https://172.23.106.136:18091/engageCluster2. Body was: "[\"Unexpected server error, request logged.\"]"

[ns_server:error,2021-03-24T21:54:11.792-07:00,ns_1@172.23.106.136:<0.3084.48>:menelaus_util:reply_server_error:208]Server error during processing: ["web request failed",

                                 {path,"/engageCluster2"},

                                 {method,'POST'},

                                 {type,error},

                                 {what,badarg},

                                 {trace,

                                  [{ets,lookup,

                                    [index_settings_manager,memoryQuota],

                                    []},

                                   {json_settings_manager,get,3,

                                    [{file,"src/json_settings_manager.erl"},

                                     {line,43}]},

                                   {memory_quota,get_quota,2,

                                    [{file,"src/memory_quota.erl"},

                                     {line,233}]},

                                   {menelaus_web_node,

                                    '-build_memory_quota_info/1-fun-0-',2,

                                    [{file,"src/menelaus_web_node.erl"},

                                     {line,238}]},

                                   {lists,map,2,

                                    [{file,"lists.erl"},{line,1239}]},

                                   {lists,map,2,

                                    [{file,"lists.erl"},{line,1239}]},

                                   {menelaus_web_node,build_full_node_info,2,

                                    [{file,"src/menelaus_web_node.erl"},

                                     {line,230}]},

                                   {menelaus_web_cluster,

                                    handle_engage_cluster2,1,

                                    [{file,"src/menelaus_web_cluster.erl"},