diff --git a/server/src/test/java/org/opensearch/repositories/blobstore/BlobStoreRepositoryRemoteIndexTests.java b/server/src/test/java/org/opensearch/repositories/blobstore/BlobStoreRepositoryRemoteIndexTests.java
index f25498b8c8368..06fd2aaa22039 100644
--- a/server/src/test/java/org/opensearch/repositories/blobstore/BlobStoreRepositoryRemoteIndexTests.java
+++ b/server/src/test/java/org/opensearch/repositories/blobstore/BlobStoreRepositoryRemoteIndexTests.java
@@ -64,12 +64,15 @@
  * Tests for the {@link BlobStoreRepository} and its subclasses.
  */
 public class BlobStoreRepositoryRemoteIndexTests extends BlobStoreRepositoryHelperTests {
+    @Override
+    protected Settings featureFlagSettings() {
+        return Settings.builder().put(super.featureFlagSettings()).put(FeatureFlags.REMOTE_STORE, "true").build();
+    }
 
     @Override
     protected Settings nodeSettings() {
         return Settings.builder()
             .put(super.nodeSettings())
-            .put(FeatureFlags.REMOTE_STORE, "true")
             .put(CLUSTER_REPLICATION_TYPE_SETTING.getKey(), ReplicationType.SEGMENT)
             .put(CLUSTER_REMOTE_STORE_ENABLED_SETTING.getKey(), true)
             .put(CLUSTER_REMOTE_SEGMENT_STORE_REPOSITORY_SETTING.getKey(), "test-rs-repo")
diff --git a/server/src/test/java/org/opensearch/repositories/blobstore/BlobStoreRepositoryTests.java b/server/src/test/java/org/opensearch/repositories/blobstore/BlobStoreRepositoryTests.java
index f1253e377c819..26082f2456867 100644
--- a/server/src/test/java/org/opensearch/repositories/blobstore/BlobStoreRepositoryTests.java
+++ b/server/src/test/java/org/opensearch/repositories/blobstore/BlobStoreRepositoryTests.java
@@ -106,8 +106,8 @@ protected void assertSnapshotOrGenericThread() {
     }
 
     @Override
-    protected Settings nodeSettings() {
-        return Settings.builder().put(super.nodeSettings()).put(FeatureFlags.REMOTE_STORE, "true").build();
+    protected Settings featureFlagSettings() {
+        return Settings.builder().put(super.featureFlagSettings()).put(FeatureFlags.REMOTE_STORE, "true").build();
     }
 
     public void testRetrieveSnapshots() throws Exception {
diff --git a/server/src/test/java/org/opensearch/search/SearchServiceTests.java b/server/src/test/java/org/opensearch/search/SearchServiceTests.java
index 2371c5812814a..876a2d15cad7e 100644
--- a/server/src/test/java/org/opensearch/search/SearchServiceTests.java
+++ b/server/src/test/java/org/opensearch/search/SearchServiceTests.java
@@ -225,9 +225,14 @@ public void onQueryPhase(SearchContext context, long tookInNanos) {
         }
     }
 
+    @Override
+    protected Settings featureFlagSettings() {
+        return Settings.builder().put(super.featureFlagSettings()).put(FeatureFlags.CONCURRENT_SEGMENT_SEARCH, "true").build();
+    }
+
     @Override
     protected Settings nodeSettings() {
-        return Settings.builder().put("search.default_search_timeout", "5s").put(FeatureFlags.CONCURRENT_SEGMENT_SEARCH, true).build();
+        return Settings.builder().put("search.default_search_timeout", "5s").build();
     }
 
     public void testClearOnClose() {
diff --git a/test/framework/src/main/java/org/opensearch/test/OpenSearchSingleNodeTestCase.java b/test/framework/src/main/java/org/opensearch/test/OpenSearchSingleNodeTestCase.java
index 1d7c04227b208..63b486e32ff5b 100644
--- a/test/framework/src/main/java/org/opensearch/test/OpenSearchSingleNodeTestCase.java
+++ b/test/framework/src/main/java/org/opensearch/test/OpenSearchSingleNodeTestCase.java
@@ -45,6 +45,8 @@
 import org.opensearch.cluster.metadata.Metadata;
 import org.opensearch.cluster.routing.allocation.DiskThresholdSettings;
 import org.opensearch.common.Priority;
+import org.opensearch.common.settings.FeatureFlagSettings;
+import org.opensearch.common.settings.Setting;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.unit.TimeValue;
 import org.opensearch.common.util.BigArrays;
@@ -248,6 +250,7 @@ private Node newNode() {
             .put(FeatureFlags.TELEMETRY_SETTING.getKey(), true)
             .put(TelemetrySettings.TRACER_ENABLED_SETTING.getKey(), true)
             .put(nodeSettings()) // allow test cases to provide their own settings or override these
+            .put(featureFlagSettings())
             .build();
 
         Collection<Class<? extends Plugin>> plugins = getPlugins();
@@ -414,4 +417,19 @@ protected boolean forbidPrivateIndexSettings() {
         return true;
     }
 
+    /**
+     * Setting all feature flag settings at base IT, which can be overridden later by individual
+     * IT classes.
+     *
+     * @return Feature flag settings.
+     */
+    protected Settings featureFlagSettings() {
+        Settings.Builder featureSettings = Settings.builder();
+        for (Setting builtInFlag : FeatureFlagSettings.BUILT_IN_FEATURE_FLAGS) {
+            featureSettings.put(builtInFlag.getKey(), builtInFlag.getDefaultRaw(Settings.EMPTY));
+        }
+        featureSettings.put(FeatureFlags.TELEMETRY_SETTING.getKey(), true);
+        return featureSettings.build();
+    }
+
 }