snikhil5 commented on code in PR #3479:
URL: https://github.com/apache/storm/pull/3479#discussion_r885141228


##########
storm-client/test/jvm/org/apache/storm/TestConfigValidate.java:
##########
@@ -822,20 +805,19 @@ public void TestImpersonationAclUserEntryValidator() 
throws InvocationTargetExce
 
         for (Object value : passCases) {
             config.put(TestConfig.TEST_MAP_CONFIG_6, value);
-            ConfigValidation.validateFields(config, 
Arrays.asList(TestConfig.class));
+            ConfigValidation.validateFields(config, 
Collections.singletonList(TestConfig.class));
         }
 
-        Map<String, Map<String, List<String>>> failCase1 = new HashMap<String, 
Map<String, List<String>>>();
-        Map<String, List<String>> failCase1_hostsAndGroups = new 
HashMap<String, List<String>>();
-        String[] failhosts = { "host.1", "host.2", "host.3" };
+        Map<String, Map<String, List<String>>> failCase1 = new HashMap<>();
+        Map<String, List<String>> failCase1_hostsAndGroups = new HashMap<>();
         failCase1_hostsAndGroups.put("hosts", Arrays.asList(hosts));
         failCase1.put("jerry", failCase1_hostsAndGroups);
 
 
-        Map<String, Map<String, List<String>>> failCase2 = new HashMap<String, 
Map<String, List<String>>>();
-        Map<String, List<String>> failCase2_hostsAndGroups = new 
HashMap<String, List<String>>();
+        Map<String, Map<String, List<String>>> failCase2 = new HashMap<>();
+        Map<String, List<String>> failCase2_hostsAndGroups = new HashMap<>();
         String[] failgroups = { "group.1", "group.2", "group.3" };
-        failCase2_hostsAndGroups.put("groups", Arrays.asList(groups));
+        failCase2_hostsAndGroups.put("groups", Arrays.asList(groups)); // 
should this be failGroups ?

Review Comment:
   removed comment



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