Fix UTs

Signed-off-by: Sachin Kale <kalsac@amazon.com>

Author: Sachin Kale

server/src/test/java/org/opensearch/index/IndexSettingsTests.java

@@ -866,7 +866,7 @@ public void testEnablingRemoteStoreFailsWhenReplicationTypeIsDocument() {
             () -> IndexMetadata.INDEX_REMOTE_STORE_ENABLED_SETTING.get(indexSettings)
         );
         assertEquals(
-            "Settings index.remote_store.enabled cannot be enabled when index.replication.type is set to DOCUMENT",
+            "To enable index.remote_store.enabled, index.replication.type should be set to SEGMENT",
             iae.getMessage()
         );
     }
@@ -878,7 +878,7 @@ public void testEnablingRemoteStoreFailsWhenReplicationTypeIsDefault() {
             () -> IndexMetadata.INDEX_REMOTE_STORE_ENABLED_SETTING.get(indexSettings)
         );
         assertEquals(
-            "Settings index.remote_store.enabled cannot be enabled when index.replication.type is set to DOCUMENT",
+            "To enable index.remote_store.enabled, index.replication.type should be set to SEGMENT",
             iae.getMessage()
         );
     }