[ML] Unmute fixed Classification IT tests #122361

Unmute tests following #122268

Closes #120071
Closes #121928
Closes #121680
Closes #121492
Closes #121479
Closes #121473
Closes #121458
Closes #121236
Closes #116234

Author: valeriy42

muted-tests.yml

@@ -370,9 +370,6 @@ tests:
 - class: org.elasticsearch.xpack.security.operator.OperatorPrivilegesIT
   method: testEveryActionIsEitherOperatorOnlyOrNonOperator
   issue: https://github.com/elastic/elasticsearch/issues/119911
-- class: org.elasticsearch.xpack.ml.integration.ClassificationIT
-  method: testWithOnlyTrainingRowsAndTrainingPercentIsFifty_DependentVariableIsKeyword
-  issue: https://github.com/elastic/elasticsearch/issues/120071
 - class: org.elasticsearch.oldrepos.OldRepositoryAccessIT
   method: testOldSourceOnlyRepoAccess
   issue: https://github.com/elastic/elasticsearch/issues/120080
@@ -481,9 +478,6 @@ tests:
 - class: org.elasticsearch.xpack.security.profile.ProfileIntegTests
   method: testSetEnabled
   issue: https://github.com/elastic/elasticsearch/issues/121183
-- class: org.elasticsearch.xpack.ml.integration.ClassificationIT
-  method: testWithOnlyTrainingRowsAndTrainingPercentIsFifty_DependentVariableIsInteger
-  issue: https://github.com/elastic/elasticsearch/issues/121473
 - class: org.elasticsearch.upgrades.VectorSearchIT
   method: testBBQVectorSearch {upgradedNodes=1}
   issue: https://github.com/elastic/elasticsearch/issues/121271
@@ -493,15 +487,6 @@ tests:
 - class: org.elasticsearch.xpack.sql.qa.single_node.JdbcDocCsvSpecIT
   method: test {docs.testFilterToday}
   issue: https://github.com/elastic/elasticsearch/issues/121474
-- class: org.elasticsearch.xpack.ml.integration.ClassificationIT
-  method: testSingleNumericFeatureAndMixedTrainingAndNonTrainingRows
-  issue: https://github.com/elastic/elasticsearch/issues/121479
-- class: org.elasticsearch.xpack.ml.integration.ClassificationIT
-  method: testWithDatastreams
-  issue: https://github.com/elastic/elasticsearch/issues/121236
-- class: org.elasticsearch.xpack.ml.integration.ClassificationIT
-  method: testDeleteExpiredData_RemovesUnusedState
-  issue: https://github.com/elastic/elasticsearch/issues/116234
 - class: org.elasticsearch.xpack.security.profile.ProfileIntegTests
   method: testGetProfiles
   issue: https://github.com/elastic/elasticsearch/issues/121101
@@ -525,26 +510,14 @@ tests:
 - class: org.elasticsearch.xpack.test.rest.XPackRestIT
   method: test {p0=ml/*}
   issue: https://github.com/elastic/elasticsearch/issues/120816
-- class: org.elasticsearch.xpack.ml.integration.ClassificationIT
-  method: testDependentVariableIsNested
-  issue: https://github.com/elastic/elasticsearch/issues/121458
 - class: org.elasticsearch.xpack.security.profile.ProfileIntegTests
   method: testProfileAPIsWhenIndexNotCreated
   issue: https://github.com/elastic/elasticsearch/issues/121096
 - class: org.elasticsearch.xpack.transform.checkpoint.TransformCCSCanMatchIT
   method: testTransformLifecycle_RangeQueryThatMatchesNoShards
   issue: https://github.com/elastic/elasticsearch/issues/121480
-- class: org.elasticsearch.xpack.ml.integration.ClassificationIT
-  method: testDependentVariableIsAliasToKeyword
-  issue: https://github.com/elastic/elasticsearch/issues/121492
-- class: org.elasticsearch.xpack.ml.integration.ClassificationIT
-  method: testWithOnlyTrainingRowsAndTrainingPercentIsFifty_DependentVariableIsBoolean
-  issue: https://github.com/elastic/elasticsearch/issues/121680
 - class: org.elasticsearch.xpack.migrate.action.ReindexDatastreamIndexTransportActionIT
   issue: https://github.com/elastic/elasticsearch/issues/121737
-- class: org.elasticsearch.xpack.ml.integration.ClassificationIT
-  method: testSetUpgradeMode_ExistingTaskGetsUnassigned
-  issue: https://github.com/elastic/elasticsearch/issues/121928
 - class: org.elasticsearch.xpack.security.authc.service.ServiceAccountSingleNodeTests
   method: testAuthenticateWithServiceFileToken
   issue: https://github.com/elastic/elasticsearch/issues/120988