rebase latest code

Signed-off-by: zane-neo <zaniu@amazon.com>

Author: zane-neo

src/test/java/org/opensearch/neuralsearch/processor/InferenceProcessorTestCase.java

@@ -5,6 +5,7 @@
 package org.opensearch.neuralsearch.processor;
 
 import com.google.common.collect.ImmutableList;
+import org.opensearch.index.mapper.IndexFieldMapper;
 import org.opensearch.ingest.IngestDocument;
 import org.opensearch.ingest.IngestDocumentWrapper;
 import org.opensearch.test.OpenSearchTestCase;
@@ -21,6 +22,7 @@ protected List<IngestDocumentWrapper> createIngestDocumentWrappers(int count) {
         for (int i = 0; i < count; ++i) {
             Map<String, Object> sourceAndMetadata = new HashMap<>();
             sourceAndMetadata.put("key1", "value1");
+            sourceAndMetadata.put(IndexFieldMapper.NAME, "my_index");
             wrapperList.add(new IngestDocumentWrapper(i, new IngestDocument(sourceAndMetadata, new HashMap<>()), null));
         }
         return wrapperList;

src/test/java/org/opensearch/neuralsearch/processor/TextEmbeddingProcessorTests.java

@@ -538,8 +538,7 @@ public void test_batchExecute_successful() {
     public void test_batchExecute_exception() {
         final int docCount = 5;
         List<IngestDocumentWrapper> ingestDocumentWrappers = createIngestDocumentWrappers(docCount);
-        Map<String, Object> config = createPlainStringConfiguration();
-        TextEmbeddingProcessor processor = createInstanceWithNestedMapConfiguration(config);
+        TextEmbeddingProcessor processor = createInstanceWithLevel1MapConfig();
         doAnswer(invocation -> {
             ActionListener<List<List<Float>>> listener = invocation.getArgument(2);
             listener.onFailure(new RuntimeException());

src/test/java/org/opensearch/neuralsearch/search/query/HybridQueryPhaseSearcherTests.java

@@ -15,7 +15,6 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
-import static org.opensearch.cluster.metadata.IndexMetadata.TRANSLOG_METADATA_KEY;
 import static org.opensearch.index.mapper.SeqNoFieldMapper.PRIMARY_TERM_NAME;
 import static org.opensearch.index.remote.RemoteStoreEnums.PathType.HASHED_PREFIX;
 import static org.opensearch.neuralsearch.search.util.HybridSearchResultFormatUtil.isHybridQueryStartStopElement;

src/test/java/org/opensearch/neuralsearch/util/ProcessorDocumentUtilsTests.java

@@ -60,7 +60,6 @@ public void test_with_different_configurations() throws URISyntaxException, IOEx
                     "field_map",
                     source,
                     fieldMap,
-                    1,
                     "test_index",
                     clusterService,
                     environment,