fix

Author: john-wagster

server/src/test/java/org/elasticsearch/search/vectors/DiversifyingParentBlockQueryTests.java

@@ -28,6 +28,7 @@
 import java.util.TreeMap;
 
 import static org.apache.lucene.index.VectorSimilarityFunction.EUCLIDEAN;
+import static org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper.IVF_FORMAT;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.instanceOf;