fixes the UT failures caused due to Identity Service (opensearch-proj…

…ect#714) (opensearch-project#715) (opensearch-project#719)

(cherry picked from commit e25c559)

Co-authored-by: opensearch-trigger-bot[bot] <98922864+opensearch-trigger-bot[bot]@users.noreply.github.com>

src/test/java/org/opensearch/performanceanalyzer/PerformanceAnalyzerPluginTests.java

@@ -90,7 +90,7 @@ public void setup() {
             e.printStackTrace();
         }
         clusterService = new ClusterService(settings, clusterSettings, threadPool);
-        identityService = new IdentityService(Settings.EMPTY, List.of());
+        identityService = new IdentityService(Settings.EMPTY, threadPool, List.of());
         restController =
                 new RestController(
                         Collections.emptySet(),

src/test/java/org/opensearch/performanceanalyzer/http_action/config/PerformanceAnalyzerClusterConfigActionTests.java

@@ -71,7 +71,7 @@ public void init() {
         UsageService usageService = new UsageService();
         threadPool = new TestThreadPool("test");
         nodeClient = new NodeClient(Settings.EMPTY, threadPool);
-        identityService = new IdentityService(Settings.EMPTY, List.of());
+        identityService = new IdentityService(Settings.EMPTY, threadPool, List.of());
         restController =
                 new RestController(
                         Collections.emptySet(),

src/test/java/org/opensearch/performanceanalyzer/http_action/config/PerformanceAnalyzerConfigActionTests.java

@@ -64,7 +64,7 @@ public void init() {
         UsageService usageService = new UsageService();
         threadPool = new TestThreadPool("test");
         nodeClient = new NodeClient(Settings.EMPTY, threadPool);
-        identityService = new IdentityService(Settings.EMPTY, List.of());
+        identityService = new IdentityService(Settings.EMPTY, threadPool, List.of());
         restController =
                 new RestController(
                         Collections.emptySet(),

src/test/java/org/opensearch/performanceanalyzer/http_action/config/PerformanceAnalyzerOverridesClusterConfigActionTests.java

@@ -65,7 +65,7 @@ public void init() {
         UsageService usageService = new UsageService();
         threadPool = new TestThreadPool("test");
         nodeClient = new NodeClient(Settings.EMPTY, threadPool);
-        identityService = new IdentityService(Settings.EMPTY, List.of());
+        identityService = new IdentityService(Settings.EMPTY, threadPool, List.of());
         restController =
                 new RestController(
                         Collections.emptySet(),