Fix QueryPhaseTimeoutTests testBulkScorerTimeout (#127389)

After CancellableBulkScorer#INITIAL_INTERVAL was increased from 2028 to
4096 in #127034 this test needs updating to the new value.

Closes #127156

Author: cbuescher

muted-tests.yml

@@ -414,9 +414,6 @@ tests:
 - class: org.elasticsearch.packaging.test.DockerTests
   method: test026InstallBundledRepositoryPlugins
   issue: https://github.com/elastic/elasticsearch/issues/127081
-- class: org.elasticsearch.search.query.QueryPhaseTimeoutTests
-  method: testBulkScorerTimeout
-  issue: https://github.com/elastic/elasticsearch/issues/127156
 - class: org.elasticsearch.packaging.test.DockerTests
   method: test026InstallBundledRepositoryPluginsViaConfigFile
   issue: https://github.com/elastic/elasticsearch/issues/127158

server/src/test/java/org/elasticsearch/search/query/QueryPhaseTimeoutTests.java

@@ -80,9 +80,9 @@ public static void init() throws Exception {
         dir = newDirectory();
         IndexWriterConfig iwc = new IndexWriterConfig();
         RandomIndexWriter w = new RandomIndexWriter(random(), dir, iwc);
-        // the upper bound is higher than 2048 so that in some cases we time out after the first batch of bulk scoring, but before
+        // the upper bound is higher than 4096 so that in some cases we time out after the first batch of bulk scoring, but before
         // getting to the end of the first segment
-        numDocs = scaledRandomIntBetween(500, 2500);
+        numDocs = scaledRandomIntBetween(500, 4500);
         for (int i = 0; i < numDocs; ++i) {
             Document doc = new Document();
             doc.add(new StringField("field", Integer.toString(i), Field.Store.NO));
@@ -309,9 +309,9 @@ public void testBulkScorerTimeout() throws IOException {
                 QueryPhase.executeQuery(context);
                 assertTrue(context.queryResult().searchTimedOut());
                 int firstSegmentMaxDoc = reader.leaves().get(0).reader().maxDoc();
-                // See CancellableBulkScorer#INITIAL_INTERVAL for the source of 2048: we always score the first
-                // batch of up to 2048 docs, and only then raise the timeout
-                assertEquals(Math.min(2048, firstSegmentMaxDoc), context.queryResult().topDocs().topDocs.totalHits.value());
+                // See CancellableBulkScorer#INITIAL_INTERVAL for the source of 4096: we always score the first
+                // batch of up to 4096 docs, and only then raise the timeout
+                assertEquals(Math.min(4096, firstSegmentMaxDoc), context.queryResult().topDocs().topDocs.totalHits.value());
                 assertEquals(Math.min(size, firstSegmentMaxDoc), context.queryResult().topDocs().topDocs.scoreDocs.length);
             }
         }