Bump test only protobuf to 0.13.0 (#5553)

Signed-off-by: Finn Carroll <carrofin@amazon.com>

Author: finnegancarroll

build.gradle

@@ -34,7 +34,7 @@ buildscript {
         guava_version = '33.4.8-jre'
         jaxb_version = '2.3.9'
         spring_version = '6.2.10'
-        protobuf_plugin_version = '0.6.0'
+        protobuf_plugin_version = '0.13.0'
 
         if (buildVersionQualifier) {
             opensearch_build += "-${buildVersionQualifier}"

src/integrationTest/java/org/opensearch/security/grpc/GrpcClientAuthNoneTests.java

@@ -57,13 +57,12 @@ public static void assertBulkAndSearchTestIndex(ManagedChannel channel) {
 
         BulkResponse bulkResp = GrpcHelpers.doBulk(channel, testIndex, testDocs);
         assertNotNull(bulkResp);
-        assertFalse(bulkResp.hasBulkErrorResponse());
-        assertEquals(testDocs, bulkResp.getBulkResponseBody().getItemsCount());
+        assertFalse(bulkResp.getErrors());
+        assertEquals(testDocs, bulkResp.getItemsCount());
 
         SearchResponse searchResp = GrpcHelpers.doMatchAll(channel, testIndex, 10);
         assertNotNull(searchResp);
-        assertEquals(SearchResponse.ResponseCase.RESPONSE_BODY.getNumber(), searchResp.getResponseCase().getNumber());
-        assertEquals(testDocs, searchResp.getResponseBody().getHits().getTotal().getTotalHits().getValue());
+        assertEquals(testDocs, searchResp.getHits().getTotal().getTotalHits().getValue());
 
         channel.shutdown();
     }

src/integrationTest/java/org/opensearch/security/grpc/GrpcHelpers.java

@@ -21,6 +21,7 @@
 import org.opensearch.protobufs.BulkResponse;
 import org.opensearch.protobufs.IndexOperation;
 import org.opensearch.protobufs.MatchAllQuery;
+import org.opensearch.protobufs.OperationContainer;
 import org.opensearch.protobufs.QueryContainer;
 import org.opensearch.protobufs.Refresh;
 import org.opensearch.protobufs.SearchRequest;
@@ -134,17 +135,18 @@ public static ManagedChannel secureUntrustedChannel(TransportAddress addr) throw
     }
 
     public static BulkResponse doBulk(ManagedChannel channel, String index, long numDocs) {
-        BulkRequest.Builder requestBuilder = BulkRequest.newBuilder().setRefresh(Refresh.REFRESH_TRUE);
+        BulkRequest.Builder requestBuilder = BulkRequest.newBuilder().setRefresh(Refresh.REFRESH_TRUE).setIndex(index);
         for (int i = 0; i < numDocs; i++) {
             String docBody = """
                 {
                     "field": "doc %d body"
                 }
                 """.formatted(i);
-            IndexOperation indexOp = IndexOperation.newBuilder().setIndex(index).setId(String.valueOf(i)).build();
+            IndexOperation.Builder indexOp = IndexOperation.newBuilder().setXId(String.valueOf(i));
+            OperationContainer.Builder opCont = OperationContainer.newBuilder().setIndex(indexOp);
             BulkRequestBody requestBody = BulkRequestBody.newBuilder()
-                .setIndex(indexOp)
-                .setDoc(com.google.protobuf.ByteString.copyFromUtf8(docBody))
+                .setOperationContainer(opCont)
+                .setObject(com.google.protobuf.ByteString.copyFromUtf8(docBody))
                 .build();
             requestBuilder.addRequestBody(requestBody);
         }