ES|QL: one more fix to generative tests (#126586)

Author: luigidellaquila

muted-tests.yml

@@ -432,9 +432,6 @@ tests:
 - class: org.elasticsearch.repositories.blobstore.testkit.rest.SnapshotRepoTestKitClientYamlTestSuiteIT
   method: test {p0=/10_analyze/Analysis without details}
   issue: https://github.com/elastic/elasticsearch/issues/126569
-- class: org.elasticsearch.xpack.esql.qa.single_node.GenerativeIT
-  method: test
-  issue: https://github.com/elastic/elasticsearch/issues/126573
 - class: org.elasticsearch.repositories.blobstore.testkit.analyze.S3RepositoryAnalysisRestIT
   method: testRepositoryAnalysis
   issue: https://github.com/elastic/elasticsearch/issues/126576

x-pack/plugin/esql/qa/server/src/main/java/org/elasticsearch/xpack/esql/qa/rest/generative/GenerativeRestTest.java

@@ -56,6 +56,7 @@ public abstract class GenerativeRestTest extends ESRestTestCase {
         "optimized incorrectly due to missing references", // https://github.com/elastic/elasticsearch/issues/116781
         "No matches found for pattern", // https://github.com/elastic/elasticsearch/issues/126418
         "JOIN left field .* is incompatible with right field", // https://github.com/elastic/elasticsearch/issues/126419
+        "Unsupported type .* for enrich", // most likely still https://github.com/elastic/elasticsearch/issues/126419
         "The incoming YAML document exceeds the limit:" // still to investigate, but it seems to be specific to the test framework
     );