renamed TestDocValuesUnsignedLongHashSet.java to DocValuesUnsignedLongHashSetTests.java

Signed-off-by: Shailesh Singh <[email protected]>

Author: Shailesh Singh

server/src/test/java/org/opensearch/lucene/util/TestDocValuesUnsignedLongHashSet.java renamed to server/src/test/java/org/opensearch/lucene/util/DocValuesUnsignedLongHashSetTests.java

@@ -17,7 +17,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.LongStream;
 
-public class TestDocValuesUnsignedLongHashSet extends LuceneTestCase {
+public class DocValuesUnsignedLongHashSetTests extends LuceneTestCase {
 
     private void assertEquals(Set<Long> set1, UnsignedLongHashSet unsignedLongHashSet) {
         assertEquals(set1.size(), unsignedLongHashSet.size());