Fix tests

Author: carlosdelest

server/src/main/java/org/elasticsearch/index/codec/vectors/es910/ES910BinaryFlatVectorsScorer.java

@@ -123,7 +123,13 @@ RandomVectorScorerSupplier getRandomVectorScorerSupplier(
 
     @Override
     public String toString() {
-        return "ES910BinaryFlatVectorsScorer(nonQuantizedDelegate=" + nonQuantizedDelegate + ", queryBits = " + queryBits + ")";
+        return "ES910BinaryFlatVectorsScorer(nonQuantizedDelegate="
+            + nonQuantizedDelegate
+            + ", indexBits="
+            + indexBits
+            + ", queryBits="
+            + queryBits
+            + ")";
     }
 
     /** Vector scorer supplier over binarized vector values */

server/src/main/java/org/elasticsearch/index/codec/vectors/es910/ES910BinaryQuantizedVectorsFormat.java

@@ -23,6 +23,7 @@
 import org.apache.lucene.codecs.hnsw.FlatVectorsFormat;
 import org.apache.lucene.codecs.hnsw.FlatVectorsReader;
 import org.apache.lucene.codecs.hnsw.FlatVectorsWriter;
+import org.apache.lucene.codecs.lucene99.Lucene99FlatVectorsFormat;
 import org.apache.lucene.index.SegmentReadState;
 import org.apache.lucene.index.SegmentWriteState;
 import org.elasticsearch.index.codec.vectors.OptimizedScalarQuantizer;
@@ -98,7 +99,7 @@ public class ES910BinaryQuantizedVectorsFormat extends FlatVectorsFormat {
     static final String VECTOR_DATA_EXTENSION = "veb";
     static final int DIRECT_MONOTONIC_BLOCK_SHIFT = 16;
 
-    private static final DirectIOLucene99FlatVectorsFormat rawVectorFormat = new DirectIOLucene99FlatVectorsFormat(
+    private static final FlatVectorsFormat rawVectorFormat = new Lucene99FlatVectorsFormat(
         FlatVectorScorerUtil.getLucene99FlatVectorsScorer()
     );
     private static byte DEFAULT_INDEX_BITS = (byte) 1;

server/src/test/java/org/elasticsearch/index/codec/vectors/es910/ES910BinaryQuantizedVectorsFormatTests.java

@@ -137,9 +137,18 @@ public KnnVectorsFormat knnVectorsFormat() {
         };
         String expectedPattern = "ES910BinaryQuantizedVectorsFormat("
             + "name=ES910BinaryQuantizedVectorsFormat, "
-            + "flatVectorScorer=ES910BinaryFlatVectorsScorer(nonQuantizedDelegate=%s()), indexBits=%d, queryBits=%d)";
-        var defaultScorer = format(Locale.ROOT, expectedPattern, "DefaultFlatVectorScorer", indexBits, queryBits);
-        var memSegScorer = format(Locale.ROOT, expectedPattern, "Lucene99MemorySegmentFlatVectorsScorer", indexBits, queryBits);
+            + "flatVectorScorer=ES910BinaryFlatVectorsScorer(nonQuantizedDelegate=%s(), indexBits=%d, queryBits=%d)"
+            + ", indexBits=%d, queryBits=%d)";
+        var defaultScorer = format(Locale.ROOT, expectedPattern, "DefaultFlatVectorScorer", indexBits, queryBits, indexBits, queryBits);
+        var memSegScorer = format(
+            Locale.ROOT,
+            expectedPattern,
+            "Lucene99MemorySegmentFlatVectorsScorer",
+            indexBits,
+            queryBits,
+            indexBits,
+            queryBits
+        );
         assertThat(customCodec.knnVectorsFormat().toString(), is(oneOf(defaultScorer, memSegScorer)));
     }