Address UUIDTests#testCompression failures. (elastic#50093)

Those were due to codec randomization.

Closes elastic#50048

Author: jpountz

server/src/test/java/org/elasticsearch/common/UUIDTests.java

@@ -22,13 +22,16 @@
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.apache.lucene.codecs.Codec;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field.Store;
 import org.apache.lucene.document.StringField;
 import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.index.IndexWriterConfig;
 import org.apache.lucene.index.SerialMergeScheduler;
 import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.TestUtil;
+import org.elasticsearch.common.lucene.Lucene;
 import org.elasticsearch.common.unit.ByteSizeValue;
 import org.elasticsearch.common.unit.TimeValue;
 import org.elasticsearch.test.ESTestCase;
@@ -116,7 +119,6 @@ public void testUUIDThreaded(UUIDGenerator uuidSource) {
         assertEquals(count*uuids, globalSet.size());
     }
 
-    @AwaitsFix(bugUrl="https://github.com/elastic/elasticsearch/issues/50048")
     public void testCompression() throws Exception {
         Logger logger = LogManager.getLogger(UUIDTests.class);
         // Low number so that the test runs quickly, but the results are more interesting with larger numbers
@@ -135,7 +137,7 @@ private static double testCompression(int numDocs, int numDocsPerSecond, int num
             random().nextBytes(macAddresses[i]);
         }
         UUIDGenerator generator = new TimeBasedUUIDGenerator() {
-            double currentTimeMillis = System.currentTimeMillis();
+            double currentTimeMillis = TestUtil.nextLong(random(), 0L, 10000000000L);
 
             @Override
             protected long currentTimeMillis() {
@@ -152,6 +154,7 @@ protected byte[] macAddress() {
         // the quality of this test
         Directory dir = newFSDirectory(createTempDir());
         IndexWriterConfig config = new IndexWriterConfig()
+                .setCodec(Codec.forName(Lucene.LATEST_CODEC))
                 .setMergeScheduler(new SerialMergeScheduler()); // for reproducibility
         IndexWriter w = new IndexWriter(dir, config);
         Document doc = new Document();