[ML] Temporarily ignore inference index (#114928)

Until we can figure out where in the tests the index is being created,
temporarily ignore deleting it along with the other system indices.

Relates #114748

Author: prwhelan

muted-tests.yml

@@ -306,57 +306,18 @@ tests:
 - class: org.elasticsearch.smoketest.DocsClientYamlTestSuiteIT
   method: test {yaml=reference/rest-api/usage/line_38}
   issue: https://github.com/elastic/elasticsearch/issues/113694
-- class: org.elasticsearch.xpack.enrich.EnrichRestIT
-  method: test {p0=enrich/10_basic/Test using the deprecated elasticsearch_version field results in a warning}
-  issue: https://github.com/elastic/elasticsearch/issues/114748
 - class: org.elasticsearch.xpack.eql.EqlRestIT
   method: testIndexWildcardPatterns
   issue: https://github.com/elastic/elasticsearch/issues/114749
-- class: org.elasticsearch.xpack.eql.EqlRestIT
-  method: testBadRequests
-  issue: https://github.com/elastic/elasticsearch/issues/114752
-- class: org.elasticsearch.xpack.enrich.EnrichRestIT
-  method: test {p0=enrich/20_standard_index/enrich stats REST response structure}
-  issue: https://github.com/elastic/elasticsearch/issues/114753
-- class: org.elasticsearch.xpack.enrich.EnrichRestIT
-  method: test {p0=enrich/30_tsdb_index/enrich documents over _bulk}
-  issue: https://github.com/elastic/elasticsearch/issues/114761
-- class: org.elasticsearch.xpack.enrich.EnrichRestIT
-  method: test {p0=enrich/20_standard_index/enrich documents over _bulk via an alias}
-  issue: https://github.com/elastic/elasticsearch/issues/114763
-- class: org.elasticsearch.xpack.enrich.EnrichRestIT
-  method: test {p0=enrich/10_basic/Test enrich crud apis}
-  issue: https://github.com/elastic/elasticsearch/issues/114766
-- class: org.elasticsearch.xpack.enrich.EnrichRestIT
-  method: test {p0=enrich/20_standard_index/enrich documents over _bulk}
-  issue: https://github.com/elastic/elasticsearch/issues/114768
-- class: org.elasticsearch.xpack.enrich.EnrichRestIT
-  method: test {p0=enrich/50_data_stream/enrich documents over _bulk via a data stream}
-  issue: https://github.com/elastic/elasticsearch/issues/114769
-- class: org.elasticsearch.xpack.eql.EqlRestValidationIT
-  method: testDefaultIndicesOptions
-  issue: https://github.com/elastic/elasticsearch/issues/114771
 - class: org.elasticsearch.xpack.enrich.EnrichIT
   method: testEnrichSpecialTypes
   issue: https://github.com/elastic/elasticsearch/issues/114773
 - class: org.elasticsearch.xpack.security.operator.OperatorPrivilegesIT
   method: testEveryActionIsEitherOperatorOnlyOrNonOperator
   issue: https://github.com/elastic/elasticsearch/issues/102992
-- class: org.elasticsearch.xpack.enrich.EnrichIT
-  method: testDeleteExistingPipeline
-  issue: https://github.com/elastic/elasticsearch/issues/114775
 - class: org.elasticsearch.xpack.inference.rest.ServerSentEventsRestActionListenerTests
   method: testNoStream
   issue: https://github.com/elastic/elasticsearch/issues/114788
-- class: org.elasticsearch.xpack.eql.EqlRestValidationIT
-  method: testAllowNoIndicesOption
-  issue: https://github.com/elastic/elasticsearch/issues/114789
-- class: org.elasticsearch.xpack.eql.EqlStatsIT
-  method: testEqlRestUsage
-  issue: https://github.com/elastic/elasticsearch/issues/114790
-- class: org.elasticsearch.xpack.eql.EqlRestIT
-  method: testUnicodeChars
-  issue: https://github.com/elastic/elasticsearch/issues/114791
 - class: org.elasticsearch.ingest.geoip.HttpClientTests
   issue: https://github.com/elastic/elasticsearch/issues/112618
 - class: org.elasticsearch.xpack.remotecluster.RemoteClusterSecurityWithApmTracingRestIT

test/framework/src/main/java/org/elasticsearch/test/rest/ESRestTestCase.java

@@ -1121,6 +1121,8 @@ protected static void wipeAllIndices(boolean preserveSecurityIndices) throws IOE
             if (preserveSecurityIndices) {
                 indexPatterns.add("-.security-*");
             }
+            // always preserve inference index
+            indexPatterns.add("-.inference");
             final Request deleteRequest = new Request("DELETE", Strings.collectionToCommaDelimitedString(indexPatterns));
             deleteRequest.addParameter("expand_wildcards", "open,closed,hidden");
             final Response response = adminClient().performRequest(deleteRequest);