Fix bad copy-pasta in muted-tests.yml

Author: brianseeders

muted-tests.yml

@@ -300,6 +300,7 @@ tests:
   issue: https://github.com/elastic/elasticsearch/issues/116048
 - class: org.elasticsearch.analysis.common.CommonAnalysisClientYamlTestSuiteIT
   issue: https://github.com/elastic/elasticsearch/issues/116134
+- class: org.elasticsearch.xpack.ml.integration.DatafeedJobsRestIT
   method: testLookbackWithIndicesOptions
   issue: https://github.com/elastic/elasticsearch/issues/116127
 - class: org.elasticsearch.xpack.restart.CoreFullClusterRestartIT