Fix indentation and update changelog

Signed-off-by: Medha Srinivasarao Srivatsa <medha.srivatsa@gmail.com>

Author: MedhaSrivatsa

CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 * Enable derived sources for vectors to save storage costs. [241] (https://github.com/opensearch-project/opensearch-jvector/pull/241)
 ### Enhancements
 ### Bug Fixes
+* Fix flaky test KNNJVectorTests.testJVectorKnnIndex_simpleCase
 ### Infrastructure
 * Upgrade Lucene to 10.4.0 [292] (https://github.com/opensearch-project/opensearch-jvector/pull/292)
 ### Documentation

src/test/java/org/opensearch/knn/index/codec/jvector/KNNJVectorTests.java

@@ -75,7 +75,10 @@ public void testJVectorKnnIndex_simpleCase() throws IOException {
             w.commit();
 
             try (IndexReader reader = DirectoryReader.open(w)) {
-                int expectedNumOfSegments = indexWriterConfig.getMaxBufferedDocs() < 0 ? 1 : totalNumberOfDocs > indexWriterConfig.getMaxBufferedDocs() ? totalNumberOfDocs/indexWriterConfig.getMaxBufferedDocs() + 1 : 1;
+                int expectedNumOfSegments = indexWriterConfig.getMaxBufferedDocs() < 0 ? 1
+                    : totalNumberOfDocs > indexWriterConfig.getMaxBufferedDocs()
+                        ? totalNumberOfDocs / indexWriterConfig.getMaxBufferedDocs() + 1
+                    : 1;
                 log.info("We should now have a {} segment(s) with 10 documents", expectedNumOfSegments);
                 Assert.assertEquals(expectedNumOfSegments, reader.getContext().leaves().size());
                 Assert.assertEquals(totalNumberOfDocs, reader.numDocs());