Mute broken SearchSlowLogTests (#114360)

See #114359

Author: Mikep86

muted-tests.yml

@@ -313,6 +313,12 @@ tests:
   issue: https://github.com/elastic/elasticsearch/issues/113874
 - class: org.elasticsearch.xpack.esql.expression.function.scalar.convert.ToDateNanosTests
   issue: https://github.com/elastic/elasticsearch/issues/113661
+- class: org.elasticsearch.index.SearchSlowLogTests
+  method: testTwoLoggersDifferentLevel
+  issue: https://github.com/elastic/elasticsearch/issues/114359
+- class: org.elasticsearch.index.SearchSlowLogTests
+  method: testLevelPrecedence
+  issue: https://github.com/elastic/elasticsearch/issues/114359
 
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