**Build scan:**
https://gradle-enterprise.elastic.co/s/zq2kphzkmzhew/tests/:x-pack:plugin:vector-tile:javaRestTest/org.elasticsearch.xpack.vectortile.VectorTileRestIT/testCentroidGridTypeOnPolygon
**Reproduction line:**
```
./gradlew ':x-pack:plugin:vector-tile:javaRestTest' --tests "org.elasticsearch.xpack.vectortile.VectorTileRestIT.testCentroidGridTypeOnPolygon" -Dtests.seed=14BAD40932D7145 -Dtests.locale=sr-Latn-RS -Dtests.timezone=Australia/Lord_Howe -Druntime.java=21
```

**Applicable branches:**
main

**Reproduces locally?:**
Didn't try

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.xpack.vectortile.VectorTileRestIT&tests.test=testCentroidGridTypeOnPolygon
**Failure excerpt:**
```
java.lang.AssertionError: 
Expected: <POINT>
     but: was <UNKNOWN>

  at __randomizedtesting.SeedInfo.seed([14BAD40932D7145:11E1D2E97511F0E8]:0)
  at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
  at org.junit.Assert.assertThat(Assert.java:956)
  at org.junit.Assert.assertThat(Assert.java:923)
  at org.elasticsearch.xpack.vectortile.VectorTileRestIT.assertFeatureType(VectorTileRestIT.java:972)
  at org.elasticsearch.xpack.vectortile.VectorTileRestIT.testCentroidGridTypeOnPolygon(VectorTileRestIT.java:589)
  at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
  at java.lang.reflect.Method.invoke(Method.java:580)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
  at java.lang.Thread.run(Thread.java:1583)

```
x-pack/plugin/vector-tile/src/javaRestTest/java/org/elasticsearch/xpack/vectortile/VectorTileRestIT.java
public void testGetRuntimeField() throws Exception {
        final Request mvtRequest = new Request(getHttpMethod(), INDEX_POINTS + "/_mvt/location_rf/" + z + "/" + x + "/" + y);
        mvtRequest.setJsonEntity(
            "{\"size\" : 100, \"runtime_mappings\": { \"location_rf\": {\"type\": \"geo_point\", \"script\": "
                + "{ \"source\": \"emit(doc['location'].lat, doc['location'].lon)\" }}}}"
        );
        final VectorTile.Tile tile = execute(mvtRequest);
        assertThat(tile.getLayersCount(), Matchers.equalTo(3));
        assertLayer(tile, HITS_LAYER, 4096, 33, 2);
        assertLayer(tile, AGGS_LAYER, 4096, 1, 2);
        assertLayer(tile, META_LAYER, 4096, 1, 13);
    }
    public void testPartialResult() throws Exception {
        assumeTrue("[error_query] is only available in snapshot builds", Build.current().isSnapshot());
        final Request mvtRequest = new Request(getHttpMethod(), INDEX_POINTS_SHAPES + "/_mvt/location/" + z + "/" + x + "/" + y);
        mvtRequest.setJsonEntity("""
            {
              "query": {
                "error_query": {
                  "indices": [
                    {
                      "error_type": "exception",
                      "message": "local shard failure message 123",
                      "name": "index-points"
                    }
                  ]
                }
              }
            }""");
        final VectorTile.Tile tile = execute(mvtRequest);