Unmute tests

Author: carlosdelest

muted-tests.yml

@@ -185,9 +185,6 @@ tests:
 - class: org.elasticsearch.xpack.test.rest.XPackRestIT
   method: test {p0=snapshot/20_operator_privileges_disabled/Operator only settings can be set and restored by non-operator user when operator privileges is disabled}
   issue: https://github.com/elastic/elasticsearch/issues/116775
-- class: org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT
-  method: test {p0=synonyms/90_synonyms_reloading_for_synset/Reload analyzers for specific synonym set}
-  issue: https://github.com/elastic/elasticsearch/issues/116777
 - class: org.elasticsearch.xpack.searchablesnapshots.hdfs.SecureHdfsSearchableSnapshotsIT
   issue: https://github.com/elastic/elasticsearch/issues/116851
 - class: org.elasticsearch.search.basic.SearchWithRandomIOExceptionsIT