Update OpenSearchNodesSnifferTests to meet the array presentation for…

… node attributes setting

Signed-off-by: Tianli Feng <[email protected]>

client/sniffer/src/test/java/org/opensearch/client/sniff/OpenSearchNodesSnifferTests.java

@@ -234,7 +234,7 @@ private static SniffResponse buildSniffResponse(OpenSearchNodesSniffer.Scheme sc
 
  final Set<String> nodeRoles = new TreeSet<>();
  if (randomBoolean()) {
- nodeRoles.add("master");
+ nodeRoles.add("cluster_manager");
  }
  if (randomBoolean()) {
  nodeRoles.add("data");
@@ -283,12 +283,12 @@ private static SniffResponse buildSniffResponse(OpenSearchNodesSniffer.Scheme sc
  generator.writeEndObject();
  }
 
- List<String> roles = Arrays.asList(new String[] { "master", "data", "ingest" });
+ List<String> roles = Arrays.asList(new String[] { "cluster_manager", "data", "ingest" });
  Collections.shuffle(roles, getRandom());
  generator.writeArrayFieldStart("roles");
  for (String role : roles) {
- if ("master".equals(role) && node.getRoles().isMasterEligible()) {
- generator.writeString("master");
+ if ("cluster_manager".equals(role) && node.getRoles().isMasterEligible()) {
+ generator.writeString("cluster_manager");
  }
  if ("data".equals(role) && node.getRoles().isData()) {
  generator.writeString("data");
@@ -307,13 +307,7 @@ private static SniffResponse buildSniffResponse(OpenSearchNodesSniffer.Scheme sc
  if (numAttributes > 0) {
  generator.writeObjectFieldStart("attributes");
  for (Map.Entry<String, List<String>> entry : attributes.entrySet()) {
- if (entry.getValue().size() == 1) {
- generator.writeStringField(entry.getKey(), entry.getValue().get(0));
- } else {
- for (int v = 0; v < entry.getValue().size(); v++) {
- generator.writeStringField(entry.getKey() + "." + v, entry.getValue().get(v));
- }
- }
+ generator.writeStringField(entry.getKey(), entry.getValue().toString());
  }
  generator.writeEndObject();
  }